diff --git a/dwds/CHANGELOG.md b/dwds/CHANGELOG.md
index 148b78d18..3a30c00c2 100644
--- a/dwds/CHANGELOG.md
+++ b/dwds/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 12.1.1
+
+- Hotfix: Fix missing `CallFrame.url` after update to Chrome 100.
+
 ## 12.1.0
 - Update _fe_analyzer_shared to version ^34.0.0.
 
diff --git a/dwds/debug_extension/web/background.dart b/dwds/debug_extension/web/background.dart
index 51494ea58..13596a3ba 100644
--- a/dwds/debug_extension/web/background.dart
+++ b/dwds/debug_extension/web/background.dart
@@ -456,8 +456,6 @@ void _filterAndForwardToBackend(Debuggee source, String method, Object params) {
 
   if (debugSession == null) return;
 
-  if (method == 'Debugger.scriptParsed') return;
-
   var event = _extensionEventFor(method, params);
 
   debugSession.socketClient.sink.add(jsonEncode(serializers.serialize(event)));
diff --git a/dwds/debug_extension/web/background.js b/dwds/debug_extension/web/background.js
index 7fa61f637..db28d3d79 100644
--- a/dwds/debug_extension/web/background.js
+++ b/dwds/debug_extension/web/background.js
@@ -9,12 +9,7 @@ if(!(r.__proto__&&r.__proto__.p===s.prototype.p))return false
 try{if(typeof navigator!="undefined"&&typeof navigator.userAgent=="string"&&navigator.userAgent.indexOf("Chrome/")>=0)return true
 if(typeof version=="function"&&version.length==0){var q=version()
 if(/^\d+\.\d+\.\d+\.\d+$/.test(q))return true}}catch(p){}return false}()
-function setFunctionNamesIfNecessary(a){function t(){};if(typeof t.name=="string")return
-for(var s=0;s<a.length;s++){var r=a[s]
-var q=Object.keys(r)
-for(var p=0;p<q.length;p++){var o=q[p]
-var n=r[o]
-if(typeof n=="function")n.name=o}}}function inherit(a,b){a.prototype.constructor=a
+function inherit(a,b){a.prototype.constructor=a
 a.prototype["$i"+a.name]=a
 if(b!=null){if(z){a.prototype.__proto__=b.prototype
 return}var s=Object.create(b.prototype)
@@ -44,10 +39,10 @@ return a}function convertToFastObject(a){function t(){}t.prototype=a
 new t()
 return a}function convertAllToFastObject(a){for(var s=0;s<a.length;++s)convertToFastObject(a[s])}var y=0
 function instanceTearOffGetter(a,b){var s=null
-return a?function(c){if(s===null)s=A.mb(b)
-return new s(c,this)}:function(){if(s===null)s=A.mb(b)
+return a?function(c){if(s===null)s=A.ma(b)
+return new s(c,this)}:function(){if(s===null)s=A.ma(b)
 return new s(this,null)}}function staticTearOffGetter(a){var s=null
-return function(){if(s===null)s=A.mb(a).prototype
+return function(){if(s===null)s=A.ma(a).prototype
 return s}}var x=0
 function tearOffParameters(a,b,c,d,e,f,g,h,i,j){if(typeof h=="number")h+=x
 return{co:a,iS:b,iI:c,rC:d,dV:e,cs:f,fs:g,fT:h,aI:i||0,nDA:j}}function installStaticTearOff(a,b,c,d,e,f,g,h){var s=tearOffParameters(a,true,false,c,d,e,f,g,h,false)
@@ -64,39 +59,39 @@ var r=s.length
 s.push.apply(s,a)
 return r}function updateHolder(a,b){copyProperties(b,a)
 return a}var hunkHelpers=function(){var s=function(a,b,c,d,e){return function(f,g,h,i){return installInstanceTearOff(f,g,a,b,c,d,[h],i,e,false)}},r=function(a,b,c,d){return function(e,f,g,h){return installStaticTearOff(e,f,a,b,c,[g],h,d)}}
-return{inherit:inherit,inheritMany:inheritMany,mixin:mixinEasy,mixinHard:mixinHard,installStaticTearOff:installStaticTearOff,installInstanceTearOff:installInstanceTearOff,_instance_0u:s(0,0,null,["$0"],0),_instance_1u:s(0,1,null,["$1"],0),_instance_2u:s(0,2,null,["$2"],0),_instance_0i:s(1,0,null,["$0"],0),_instance_1i:s(1,1,null,["$1"],0),_instance_2i:s(1,2,null,["$2"],0),_static_0:r(0,null,["$0"],0),_static_1:r(1,null,["$1"],0),_static_2:r(2,null,["$2"],0),makeConstList:makeConstList,lazy:lazy,lazyFinal:lazyFinal,lazyOld:lazyOld,updateHolder:updateHolder,convertToFastObject:convertToFastObject,setFunctionNamesIfNecessary:setFunctionNamesIfNecessary,updateTypes:updateTypes,setOrUpdateInterceptorsByTag:setOrUpdateInterceptorsByTag,setOrUpdateLeafTags:setOrUpdateLeafTags}}()
+return{inherit:inherit,inheritMany:inheritMany,mixin:mixinEasy,mixinHard:mixinHard,installStaticTearOff:installStaticTearOff,installInstanceTearOff:installInstanceTearOff,_instance_0u:s(0,0,null,["$0"],0),_instance_1u:s(0,1,null,["$1"],0),_instance_2u:s(0,2,null,["$2"],0),_instance_0i:s(1,0,null,["$0"],0),_instance_1i:s(1,1,null,["$1"],0),_instance_2i:s(1,2,null,["$2"],0),_static_0:r(0,null,["$0"],0),_static_1:r(1,null,["$1"],0),_static_2:r(2,null,["$2"],0),makeConstList:makeConstList,lazy:lazy,lazyFinal:lazyFinal,lazyOld:lazyOld,updateHolder:updateHolder,convertToFastObject:convertToFastObject,updateTypes:updateTypes,setOrUpdateInterceptorsByTag:setOrUpdateInterceptorsByTag,setOrUpdateLeafTags:setOrUpdateLeafTags}}()
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-oS(a,b,c){if(b.h("n<0>").b(a))return new A.dH(a,b.h("@<0>").B(c).h("dH<1,2>"))
-return new A.bH(a,b.h("@<0>").B(c).h("bH<1,2>"))},
-mI(a){return new A.ck("Field '"+A.e(a)+"' has been assigned during initialization.")},
-mJ(a){return new A.ck("Field '"+a+"' has not been initialized.")},
-aH(a){return new A.fg(a)},
+a(hunkHelpers,v,w,$)}var A={ly:function ly(){},
+oS(a,b,c){if(b.h("o<0>").b(a))return new A.dJ(a,b.h("@<0>").B(c).h("dJ<1,2>"))
+return new A.bI(a,b.h("@<0>").B(c).h("bI<1,2>"))},
+mI(a){return new A.cm("Field '"+A.e(a)+"' has been assigned during initialization.")},
+mJ(a){return new A.cm("Field '"+a+"' has not been initialized.")},
+aI(a){return new A.fh(a)},
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 if(r<=9)return r
 s=a|32
 if(97<=s&&s<=102)return s-87
 return-1},
-bx(a,b,c){if(a==null)throw A.a(new A.dl(b,c.h("dl<0>")))
+by(a,b,c){if(a==null)throw A.a(new A.dn(b,c.h("dn<0>")))
 return a},
-pR(a,b,c,d){A.ff(b,"start")
-if(c!=null){A.ff(c,"end")
-if(b>c)A.m(A.O(b,0,c,"start",null))}return new A.du(a,b,c,d.h("du<0>"))},
-iA(a,b,c,d){if(t.gw.b(a))return new A.a0(a,b,c.h("@<0>").B(d).h("a0<1,2>"))
-return new A.bY(a,b,c.h("@<0>").B(d).h("bY<1,2>"))},
-d4(){return new A.bn("No element")},
-pe(){return new A.bn("Too few elements")},
-pM(a,b){A.fk(a,0,J.at(a)-1,b)},
-fk(a,b,c,d){if(c-b<=32)A.pL(a,b,c,d)
+pR(a,b,c,d){A.fg(b,"start")
+if(c!=null){A.fg(c,"end")
+if(b>c)A.n(A.O(b,0,c,"start",null))}return new A.dw(a,b,c,d.h("dw<0>"))},
+iB(a,b,c,d){if(t.gw.b(a))return new A.a1(a,b,c.h("@<0>").B(d).h("a1<1,2>"))
+return new A.c_(a,b,c.h("@<0>").B(d).h("c_<1,2>"))},
+d7(){return new A.bo("No element")},
+pe(){return new A.bo("Too few elements")},
+pM(a,b){A.fl(a,0,J.au(a)-1,b)},
+fl(a,b,c,d){if(c-b<=32)A.pL(a,b,c,d)
 else A.pK(a,b,c,d)},
 pL(a,b,c,d){var s,r,q,p,o
-for(s=b+1,r=J.a4(a);s<=c;++s){q=r.j(a,s)
+for(s=b+1,r=J.a5(a);s<=c;++s){q=r.j(a,s)
 p=s
 while(!0){if(!(p>b&&d.$2(r.j(a,p-1),q)>0))break
 o=p-1
 r.p(a,p,r.j(a,o))
 p=o}r.p(a,p,q)}},
-pK(a3,a4,a5,a6){var s,r,q,p,o,n,m,l,k,j,i=B.c.a3(a5-a4+1,6),h=a4+i,g=a5-i,f=B.c.a3(a4+a5,2),e=f-i,d=f+i,c=J.a4(a3),b=c.j(a3,h),a=c.j(a3,e),a0=c.j(a3,f),a1=c.j(a3,d),a2=c.j(a3,g)
+pK(a3,a4,a5,a6){var s,r,q,p,o,n,m,l,k,j,i=B.c.a4(a5-a4+1,6),h=a4+i,g=a5-i,f=B.c.a4(a4+a5,2),e=f-i,d=f+i,c=J.a5(a3),b=c.j(a3,h),a=c.j(a3,e),a0=c.j(a3,f),a1=c.j(a3,d),a2=c.j(a3,g)
 if(a6.$2(b,a)>0){s=a
 a=b
 b=s}if(a6.$2(a1,a2)>0){s=a2
@@ -155,8 +150,8 @@ c.p(a3,j,a)
 j=q+1
 c.p(a3,a5,c.j(a3,j))
 c.p(a3,j,a1)
-A.fk(a3,a4,r-2,a6)
-A.fk(a3,q+2,a5,a6)
+A.fl(a3,a4,r-2,a6)
+A.fl(a3,q+2,a5,a6)
 if(k)return
 if(r<h&&q>g){for(;J.I(a6.$2(c.j(a3,r),a),0);)++r
 for(;J.I(a6.$2(c.j(a3,q),a1),0);)--q
@@ -171,43 +166,43 @@ c.p(a3,r,c.j(a3,q))
 c.p(a3,q,o)
 r=l}else{c.p(a3,p,c.j(a3,q))
 c.p(a3,q,o)}q=m
-break}}A.fk(a3,r,q,a6)}else A.fk(a3,r,q,a6)},
-cz:function cz(){},
-et:function et(a,b){this.a=a
+break}}A.fl(a3,r,q,a6)}else A.fl(a3,r,q,a6)},
+cC:function cC(){},
+ev:function ev(a,b){this.a=a
 this.$ti=b},
-bH:function bH(a,b){this.a=a
+bI:function bI(a,b){this.a=a
 this.$ti=b},
-dH:function dH(a,b){this.a=a
+dJ:function dJ(a,b){this.a=a
 this.$ti=b},
-bI:function bI(a,b){this.a=a
+bJ:function bJ(a,b){this.a=a
 this.$ti=b},
-hW:function hW(a,b){this.a=a
+hX:function hX(a,b){this.a=a
 this.b=b},
-ck:function ck(a){this.a=a},
-fg:function fg(a){this.a=a},
+cm:function cm(a){this.a=a},
+fh:function fh(a){this.a=a},
 li:function li(){},
-dl:function dl(a,b){this.a=a
+dn:function dn(a,b){this.a=a
 this.$ti=b},
-n:function n(){},
+o:function o(){},
 S:function S(){},
-du:function du(a,b,c,d){var _=this
+dw:function dw(a,b,c,d){var _=this
 _.a=a
 _.b=b
 _.c=c
 _.$ti=d},
-cm:function cm(a,b,c){var _=this
+cp:function cp(a,b,c){var _=this
 _.a=a
 _.b=b
 _.c=0
 _.d=null
 _.$ti=c},
-bY:function bY(a,b,c){this.a=a
+c_:function c_(a,b,c){this.a=a
 this.b=b
 this.$ti=c},
-a0:function a0(a,b,c){this.a=a
+a1:function a1(a,b,c){this.a=a
 this.b=b
 this.$ti=c},
-f_:function f_(a,b,c){var _=this
+f0:function f0(a,b,c){var _=this
 _.a=null
 _.b=a
 _.c=b
@@ -215,16 +210,15 @@ _.$ti=c},
 L:function L(a,b,c){this.a=a
 this.b=b
 this.$ti=c},
-d0:function d0(){},
-fy:function fy(){},
-cx:function cx(){},
-dq:function dq(a,b){this.a=a
+d3:function d3(){},
+fz:function fz(){},
+cA:function cA(){},
+ds:function ds(a,b){this.a=a
 this.$ti=b},
-cv:function cv(a){this.a=a},
-nU(a){var s,r=v.mangledGlobalNames[a]
-if(r!=null)return r
-s="minified:"+a
-return s},
+cy:function cy(a){this.a=a},
+nU(a){var s=v.mangledGlobalNames[a]
+if(s!=null)return s
+return"minified:"+a},
 nP(a,b){var s
 if(b!=null){s=b.x
 if(s!=null)return s}return t.aU.b(a)},
@@ -233,16 +227,16 @@ if(typeof a=="string")return a
 if(typeof a=="number"){if(a!==0)return""+a}else if(!0===a)return"true"
 else if(!1===a)return"false"
 else if(a==null)return"null"
-s=J.a_(a)
-if(typeof s!="string")throw A.a(A.bD(a,"object","toString method returned 'null'"))
+s=J.a0(a)
+if(typeof s!="string")throw A.a(A.bE(a,"object","toString method returned 'null'"))
 return s},
-cq(a){var s,r=$.mQ
-if(r==null){r=Symbol("identityHashCode")
-$.mQ=r}s=a[r]
+ct(a){var s,r=$.mQ
+if(r==null)r=$.mQ=Symbol("identityHashCode")
+s=a[r]
 if(s==null){s=Math.random()*0x3fffffff|0
 a[r]=s}return s},
-lD(a,b){var s,r,q,p,o,n,m=null
-if(typeof a!="string")A.m(A.aa(a))
+lC(a,b){var s,r,q,p,o,n,m=null
+if(typeof a!="string")A.n(A.ab(a))
 s=/^\s*[+-]?((0x[a-f0-9]+)|(\d+)|([a-z0-9]+))\s*$/i.exec(a)
 if(s==null)return m
 r=s[3]
@@ -253,10 +247,10 @@ if(b===10&&r!=null)return parseInt(a,10)
 if(b<10||r==null){q=b<=10?47+b:86+b
 p=s[1]
 for(o=p.length,n=0;n<o;++n)if((B.a.H(p,n)|32)>q)return m}return parseInt(a,b)},
-iJ(a){return A.pt(a)},
+iK(a){return A.pt(a)},
 pt(a){var s,r,q,p,o
-if(a instanceof A.f)return A.as(A.aC(a),null)
-s=J.aB(a)
+if(a instanceof A.f)return A.at(A.aD(a),null)
+s=J.aC(a)
 if(s===B.ar||s===B.at||t.ak.b(a)){r=B.D(a)
 q=r!=="Object"&&r!==""
 if(q)return r
@@ -264,108 +258,107 @@ p=a.constructor
 if(typeof p=="function"){o=p.name
 if(typeof o=="string")q=o!=="Object"&&o!==""
 else q=!1
-if(q)return o}}return A.as(A.aC(a),null)},
+if(q)return o}}return A.at(A.aD(a),null)},
 mP(a){var s,r,q,p,o=a.length
 if(o<=500)return String.fromCharCode.apply(null,a)
 for(s="",r=0;r<o;r=q){q=r+500
 p=q<o?q:o
 s+=String.fromCharCode.apply(null,a.slice(r,p))}return s},
 pC(a){var s,r,q,p=A.h([],t.t)
-for(s=a.length,r=0;r<a.length;a.length===s||(0,A.ea)(a),++r){q=a[r]
-if(!A.aZ(q))throw A.a(A.aa(q))
+for(s=a.length,r=0;r<a.length;a.length===s||(0,A.ec)(a),++r){q=a[r]
+if(!A.b_(q))throw A.a(A.ab(q))
 if(q<=65535)p.push(q)
-else if(q<=1114111){p.push(55296+(B.c.a0(q-65536,10)&1023))
-p.push(56320+(q&1023))}else throw A.a(A.aa(q))}return A.mP(p)},
+else if(q<=1114111){p.push(55296+(B.c.a1(q-65536,10)&1023))
+p.push(56320+(q&1023))}else throw A.a(A.ab(q))}return A.mP(p)},
 mR(a){var s,r,q
 for(s=a.length,r=0;r<s;++r){q=a[r]
-if(!A.aZ(q))throw A.a(A.aa(q))
-if(q<0)throw A.a(A.aa(q))
+if(!A.b_(q))throw A.a(A.ab(q))
+if(q<0)throw A.a(A.ab(q))
 if(q>65535)return A.pC(a)}return A.mP(a)},
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 if(c<=500&&b===0&&c===a.length)return String.fromCharCode.apply(null,a)
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 p=q<c?q:c
 r+=String.fromCharCode.apply(null,a.subarray(s,p))}return r},
-iK(a){var s
+iL(a){var s
 if(0<=a){if(a<=65535)return String.fromCharCode(a)
 if(a<=1114111){s=a-65536
-return String.fromCharCode((B.c.a0(s,10)|55296)>>>0,s&1023|56320)}}throw A.a(A.O(a,0,1114111,null,null))},
-aq(a){if(a.date===void 0)a.date=new Date(a.a)
+return String.fromCharCode((B.c.a1(s,10)|55296)>>>0,s&1023|56320)}}throw A.a(A.O(a,0,1114111,null,null))},
+ar(a){if(a.date===void 0)a.date=new Date(a.a)
 return a.date},
-pB(a){return a.b?A.aq(a).getUTCFullYear()+0:A.aq(a).getFullYear()+0},
-pz(a){return a.b?A.aq(a).getUTCMonth()+1:A.aq(a).getMonth()+1},
-pv(a){return a.b?A.aq(a).getUTCDate()+0:A.aq(a).getDate()+0},
-pw(a){return a.b?A.aq(a).getUTCHours()+0:A.aq(a).getHours()+0},
-py(a){return a.b?A.aq(a).getUTCMinutes()+0:A.aq(a).getMinutes()+0},
-pA(a){return a.b?A.aq(a).getUTCSeconds()+0:A.aq(a).getSeconds()+0},
-px(a){return a.b?A.aq(a).getUTCMilliseconds()+0:A.aq(a).getMilliseconds()+0},
-bm(a,b,c){var s,r,q={}
+pB(a){return a.b?A.ar(a).getUTCFullYear()+0:A.ar(a).getFullYear()+0},
+pz(a){return a.b?A.ar(a).getUTCMonth()+1:A.ar(a).getMonth()+1},
+pv(a){return a.b?A.ar(a).getUTCDate()+0:A.ar(a).getDate()+0},
+pw(a){return a.b?A.ar(a).getUTCHours()+0:A.ar(a).getHours()+0},
+py(a){return a.b?A.ar(a).getUTCMinutes()+0:A.ar(a).getMinutes()+0},
+pA(a){return a.b?A.ar(a).getUTCSeconds()+0:A.ar(a).getSeconds()+0},
+px(a){return a.b?A.ar(a).getUTCMilliseconds()+0:A.ar(a).getMilliseconds()+0},
+bn(a,b,c){var s,r,q={}
 q.a=0
 s=[]
 r=[]
 q.a=b.length
-B.e.ad(s,b)
+B.e.ae(s,b)
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-if(c!=null&&!c.gK(c))c.T(0,new A.iI(q,r,s))
-""+q.a
-return J.oL(a,new A.io(B.b_,0,s,r,0))},
+if(c!=null&&c.a!==0)c.U(0,new A.iJ(q,r,s))
+return J.oL(a,new A.ip(B.b_,0,s,r,0))},
 pu(a,b,c){var s,r,q
-if(Array.isArray(b))s=c==null||c.gK(c)
+if(Array.isArray(b))s=c==null||c.a===0
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 if(s){r=b.length
 if(r===0){if(!!a.$0)return a.$0()}else if(r===1){if(!!a.$1)return a.$1(b[0])}else if(r===2){if(!!a.$2)return a.$2(b[0],b[1])}else if(r===3){if(!!a.$3)return a.$3(b[0],b[1],b[2])}else if(r===4){if(!!a.$4)return a.$4(b[0],b[1],b[2],b[3])}else if(r===5)if(!!a.$5)return a.$5(b[0],b[1],b[2],b[3],b[4])
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-if(b!=null)s=Array.isArray(b)?b:A.a6(b,!0,t.z)
+if(b!=null)s=Array.isArray(b)?b:A.a7(b,!0,t.z)
 else s=[]
 r=s.length
 q=a.$R
-if(r<q)return A.bm(a,s,c)
+if(r<q)return A.bn(a,s,c)
 p=a.$D
 o=p==null
 n=!o?p():null
-m=J.aB(a)
+m=J.aC(a)
 l=m.$C
 if(typeof l=="string")l=m[l]
-if(o){if(c!=null&&c.gaO(c))return A.bm(a,s,c)
+if(o){if(c!=null&&c.a!==0)return A.bn(a,s,c)
 if(r===q)return l.apply(a,s)
-return A.bm(a,s,c)}if(Array.isArray(n)){if(c!=null&&c.gaO(c))return A.bm(a,s,c)
+return A.bn(a,s,c)}if(Array.isArray(n)){if(c!=null&&c.a!==0)return A.bn(a,s,c)
 k=q+n.length
-if(r>k)return A.bm(a,s,null)
+if(r>k)return A.bn(a,s,null)
 if(r<k){j=n.slice(r-q)
-if(s===b)s=A.a6(s,!0,t.z)
-B.e.ad(s,j)}return l.apply(a,s)}else{if(r>q)return A.bm(a,s,c)
-if(s===b)s=A.a6(s,!0,t.z)
+if(s===b)s=A.a7(s,!0,t.z)
+B.e.ae(s,j)}return l.apply(a,s)}else{if(r>q)return A.bn(a,s,c)
+if(s===b)s=A.a7(s,!0,t.z)
 i=Object.keys(n)
-if(c==null)for(o=i.length,h=0;h<i.length;i.length===o||(0,A.ea)(i),++h){g=n[i[h]]
-if(B.H===g)return A.bm(a,s,c)
-B.e.u(s,g)}else{for(o=i.length,f=0,h=0;h<i.length;i.length===o||(0,A.ea)(i),++h){e=i[h]
-if(c.R(e)){++f
+if(c==null)for(o=i.length,h=0;h<i.length;i.length===o||(0,A.ec)(i),++h){g=n[i[h]]
+if(B.H===g)return A.bn(a,s,c)
+B.e.u(s,g)}else{for(o=i.length,f=0,h=0;h<i.length;i.length===o||(0,A.ec)(i),++h){e=i[h]
+if(c.S(e)){++f
 B.e.u(s,c.j(0,e))}else{g=n[e]
-if(B.H===g)return A.bm(a,s,c)
-B.e.u(s,g)}}if(f!==c.gk(c))return A.bm(a,s,c)}return l.apply(a,s)}},
-cd(a,b){var s,r="index"
-if(!A.aZ(b))return new A.au(!0,b,r,null)
-s=J.at(a)
-if(b<0||b>=s)return A.eM(b,a,r,null,s)
+if(B.H===g)return A.bn(a,s,c)
+B.e.u(s,g)}}if(f!==c.a)return A.bn(a,s,c)}return l.apply(a,s)}},
+cf(a,b){var s,r="index"
+if(!A.b_(b))return new A.av(!0,b,r,null)
+s=J.au(a)
+if(b<0||b>=s)return A.eO(b,a,r,null,s)
 return A.mS(b,r)},
 rM(a,b,c){if(a>c)return A.O(a,0,c,"start",null)
 if(b!=null)if(b<a||b>c)return A.O(b,a,c,"end",null)
-return new A.au(!0,b,"end",null)},
-aa(a){return new A.au(!0,a,null,null)},
+return new A.av(!0,b,"end",null)},
+ab(a){return new A.av(!0,a,null,null)},
 a(a){var s,r
-if(a==null)a=new A.fb()
+if(a==null)a=new A.fc()
 s=new Error()
 s.dartException=a
 r=A.ta
 if("defineProperty" in Object){Object.defineProperty(s,"message",{get:r})
 s.name=""}else s.toString=r
 return s},
-ta(){return J.a_(this.dartException)},
-m(a){throw A.a(a)},
-ea(a){throw A.a(A.V(a))},
-b7(a){var s,r,q,p,o,n
+ta(){return J.a0(this.dartException)},
+n(a){throw A.a(a)},
+ec(a){throw A.a(A.W(a))},
+b8(a){var s,r,q,p,o,n
 a=A.t5(a.replace(String({}),"$receiver$"))
 s=a.match(/\\\$[a-zA-Z]+\\\$/g)
 if(s==null)s=A.h([],t.s)
@@ -374,27 +367,27 @@ q=s.indexOf("\\$argumentsExpr\\$")
 p=s.indexOf("\\$expr\\$")
 o=s.indexOf("\\$method\\$")
 n=s.indexOf("\\$receiver\\$")
-return new A.j6(a.replace(new RegExp("\\\\\\$arguments\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$argumentsExpr\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$expr\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$method\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$receiver\\\\\\$","g"),"((?:x|[^x])*)"),r,q,p,o,n)},
-j7(a){return function($expr$){var $argumentsExpr$="$arguments$"
+return new A.j7(a.replace(new RegExp("\\\\\\$arguments\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$argumentsExpr\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$expr\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$method\\\\\\$","g"),"((?:x|[^x])*)").replace(new RegExp("\\\\\\$receiver\\\\\\$","g"),"((?:x|[^x])*)"),r,q,p,o,n)},
+j8(a){return function($expr$){var $argumentsExpr$="$arguments$"
 try{$expr$.$method$($argumentsExpr$)}catch(s){return s.message}}(a)},
 mZ(a){return function($expr$){try{$expr$.$method$}catch(s){return s.message}}(a)},
-lA(a,b){var s=b==null,r=s?null:b.method
-return new A.eS(a,r,s?null:b.receiver)},
-H(a){if(a==null)return new A.iE(a)
-if(a instanceof A.d_)return A.bA(a,a.a)
+lz(a,b){var s=b==null,r=s?null:b.method
+return new A.eU(a,r,s?null:b.receiver)},
+H(a){if(a==null)return new A.iF(a)
+if(a instanceof A.d2)return A.bB(a,a.a)
 if(typeof a!=="object")return a
-if("dartException" in a)return A.bA(a,a.dartException)
+if("dartException" in a)return A.bB(a,a.dartException)
 return A.ru(a)},
-bA(a,b){if(t.C.b(b))if(b.$thrownJsError==null)b.$thrownJsError=a
+bB(a,b){if(t.C.b(b))if(b.$thrownJsError==null)b.$thrownJsError=a
 return b},
 ru(a){var s,r,q,p,o,n,m,l,k,j,i,h,g,f,e=null
 if(!("message" in a))return a
 s=a.message
 if("number" in a&&typeof a.number=="number"){r=a.number
 q=r&65535
-if((B.c.a0(r,16)&8191)===10)switch(q){case 438:return A.bA(a,A.lA(A.e(s)+" (Error "+q+")",e))
-case 445:case 5007:p=A.e(s)+" (Error "+q+")"
-return A.bA(a,new A.dm(p,e))}}if(a instanceof TypeError){o=$.nV()
+if((B.c.a1(r,16)&8191)===10)switch(q){case 438:return A.bB(a,A.lz(A.e(s)+" (Error "+q+")",e))
+case 445:case 5007:p=A.e(s)
+return A.bB(a,new A.dp(p+" (Error "+q+")",e))}}if(a instanceof TypeError){o=$.nV()
 n=$.nW()
 m=$.nX()
 l=$.nY()
@@ -404,31 +397,31 @@ i=$.o_()
 $.nZ()
 h=$.o3()
 g=$.o2()
-f=o.al(s)
-if(f!=null)return A.bA(a,A.lA(s,f))
-else{f=n.al(s)
+f=o.am(s)
+if(f!=null)return A.bB(a,A.lz(s,f))
+else{f=n.am(s)
 if(f!=null){f.method="call"
-return A.bA(a,A.lA(s,f))}else{f=m.al(s)
-if(f==null){f=l.al(s)
-if(f==null){f=k.al(s)
-if(f==null){f=j.al(s)
-if(f==null){f=i.al(s)
-if(f==null){f=l.al(s)
-if(f==null){f=h.al(s)
-if(f==null){f=g.al(s)
+return A.bB(a,A.lz(s,f))}else{f=m.am(s)
+if(f==null){f=l.am(s)
+if(f==null){f=k.am(s)
+if(f==null){f=j.am(s)
+if(f==null){f=i.am(s)
+if(f==null){f=l.am(s)
+if(f==null){f=h.am(s)
+if(f==null){f=g.am(s)
 p=f!=null}else p=!0}else p=!0}else p=!0}else p=!0}else p=!0}else p=!0}else p=!0
-if(p)return A.bA(a,new A.dm(s,f==null?e:f.method))}}return A.bA(a,new A.fx(typeof s=="string"?s:""))}if(a instanceof RangeError){if(typeof s=="string"&&s.indexOf("call stack")!==-1)return new A.ds()
+if(p)return A.bB(a,new A.dp(s,f==null?e:f.method))}}return A.bB(a,new A.fy(typeof s=="string"?s:""))}if(a instanceof RangeError){if(typeof s=="string"&&s.indexOf("call stack")!==-1)return new A.du()
 s=function(b){try{return String(b)}catch(d){}return null}(a)
-return A.bA(a,new A.au(!1,e,e,typeof s=="string"?s.replace(/^RangeError:\s*/,""):s))}if(typeof InternalError=="function"&&a instanceof InternalError)if(typeof s=="string"&&s==="too much recursion")return new A.ds()
+return A.bB(a,new A.av(!1,e,e,typeof s=="string"?s.replace(/^RangeError:\s*/,""):s))}if(typeof InternalError=="function"&&a instanceof InternalError)if(typeof s=="string"&&s==="too much recursion")return new A.du()
 return a},
-ab(a){var s
-if(a instanceof A.d_)return a.b
-if(a==null)return new A.dT(a)
+ac(a){var s
+if(a instanceof A.d2)return a.b
+if(a==null)return new A.dV(a)
 s=a.$cachedTrace
 if(s!=null)return s
-return a.$cachedTrace=new A.dT(a)},
-lk(a){if(a==null||typeof a!="object")return J.A(a)
-else return A.cq(a)},
+return a.$cachedTrace=new A.dV(a)},
+mf(a){if(a==null||typeof a!="object")return J.z(a)
+else return A.ct(a)},
 rN(a,b){var s,r,q,p=a.length
 for(s=0;s<p;s=q){r=s+1
 q=r+1
@@ -438,7 +431,7 @@ case 1:return a.$1(c)
 case 2:return a.$2(c,d)
 case 3:return a.$3(c,d,e)
 case 4:return a.$4(c,d,e,f)}throw A.a(A.my("Unsupported number of arguments for wrapped closure"))},
-cc(a,b){var s
+ce(a,b){var s
 if(a==null)return null
 s=a.$identity
 if(!!s)return s
@@ -447,7 +440,7 @@ a.$identity=s
 return s},
 oX(a2){var s,r,q,p,o,n,m,l,k,j,i=a2.co,h=a2.iS,g=a2.iI,f=a2.nDA,e=a2.aI,d=a2.fs,c=a2.cs,b=d[0],a=c[0],a0=i[b],a1=a2.fT
 a1.toString
-s=h?Object.create(new A.fm().constructor.prototype):Object.create(new A.ce(null,null).constructor.prototype)
+s=h?Object.create(new A.fn().constructor.prototype):Object.create(new A.cg(null,null).constructor.prototype)
 s.$initialize=s.constructor
 if(h)r=function static_tear_off(){this.$initialize()}
 else r=function tear_off(a3,a4){this.$initialize(a3,a4)}
@@ -487,7 +480,7 @@ s=b.length
 r=A.oU(s,d,a,b)
 return r},
 oV(a,b,c,d){var s=A.mu,r=A.oP
-switch(b?-1:a){case 0:throw A.a(new A.fj("Intercepted function with no arguments."))
+switch(b?-1:a){case 0:throw A.a(new A.fk("Intercepted function with no arguments."))
 case 1:return function(e,f,g){return function(){return f(this)[e](g(this))}}(c,r,s)
 case 2:return function(e,f,g){return function(h){return f(this)[e](g(this),h)}}(c,r,s)
 case 3:return function(e,f,g){return function(h,i){return f(this)[e](g(this),h,i)}}(c,r,s)
@@ -497,22 +490,24 @@ case 6:return function(e,f,g){return function(h,i,j,k,l){return f(this)[e](g(thi
 default:return function(e,f,g){return function(){var q=[g(this)]
 Array.prototype.push.apply(q,arguments)
 return e.apply(f(this),q)}}(d,r,s)}},
-oW(a,b,c){var s,r,q,p=$.ms
-p==null?$.ms=A.mr("interceptor"):p
-s=$.mt
-s==null?$.mt=A.mr("receiver"):s
-r=b.length
-q=A.oV(r,c,a,b)
-return q},
-mb(a){return A.oX(a)},
-oO(a,b){return A.ke(v.typeUniverse,A.aC(a.a),b)},
+oW(a,b,c){var s,r
+if($.ms==null)$.ms=A.mr("interceptor")
+if($.mt==null)$.mt=A.mr("receiver")
+s=b.length
+r=A.oV(s,c,a,b)
+return r},
+ma(a){return A.oX(a)},
+oO(a,b){return A.ke(v.typeUniverse,A.aD(a.a),b)},
 mu(a){return a.a},
 oP(a){return a.b},
-mr(a){var s,r,q,p=new A.ce("receiver","interceptor"),o=J.im(Object.getOwnPropertyNames(p))
+mr(a){var s,r,q,p=new A.cg("receiver","interceptor"),o=J.io(Object.getOwnPropertyNames(p))
 for(s=o.length,r=0;r<s;++r){q=o[r]
 if(p[q]===a)return q}throw A.a(A.v("Field name "+a+" not found.",null))},
-t8(a){throw A.a(new A.ex(a))},
+t8(a){throw A.a(new A.ez(a))},
 rS(a){return v.getIsolateTag(a)},
+bY(a,b,c){var s=new A.co(a,b,c.h("co<0>"))
+s.c=a.e
+return s},
 ub(a,b,c){Object.defineProperty(a,b,{value:c,enumerable:false,writable:true,configurable:true})},
 t0(a){var s,r,q,p,o,n=$.nN.$1(a),m=$.l0[n]
 if(m!=null){Object.defineProperty(a,v.dispatchPropertyName,{value:m,enumerable:false,writable:true,configurable:true})
@@ -535,19 +530,19 @@ return m.i}if(p==="~"){$.l9[n]=s
 return s}if(p==="-"){o=A.lg(s)
 Object.defineProperty(Object.getPrototypeOf(a),v.dispatchPropertyName,{value:o,enumerable:false,writable:true,configurable:true})
 return o.i}if(p==="+")return A.nQ(a,s)
-if(p==="*")throw A.a(A.fw(n))
+if(p==="*")throw A.a(A.fx(n))
 if(v.leafTags[n]===true){o=A.lg(s)
 Object.defineProperty(Object.getPrototypeOf(a),v.dispatchPropertyName,{value:o,enumerable:false,writable:true,configurable:true})
 return o.i}else return A.nQ(a,s)},
 nQ(a,b){var s=Object.getPrototypeOf(a)
-Object.defineProperty(s,v.dispatchPropertyName,{value:J.mf(b,s,null,null),enumerable:false,writable:true,configurable:true})
+Object.defineProperty(s,v.dispatchPropertyName,{value:J.me(b,s,null,null),enumerable:false,writable:true,configurable:true})
 return b},
-lg(a){return J.mf(a,!1,null,!!a.$iao)},
+lg(a){return J.me(a,!1,null,!!a.$iap)},
 t2(a,b,c){var s=b.prototype
 if(v.leafTags[a]===true)return A.lg(s)
-else return J.mf(s,c,null,null)},
-rX(){if(!0===$.me)return
-$.me=!0
+else return J.me(s,c,null,null)},
+rX(){if(!0===$.md)return
+$.md=!0
 A.rY()},
 rY(){var s,r,q,p,o,n,m,l
 $.l0=Object.create(null)
@@ -569,7 +564,7 @@ s["-"+o]=l
 s["+"+o]=l
 s["*"+o]=l}}},
 rW(){var s,r,q,p,o,n,m=B.a9()
-m=A.cQ(B.aa,A.cQ(B.ab,A.cQ(B.E,A.cQ(B.E,A.cQ(B.ac,A.cQ(B.ad,A.cQ(B.ae(B.D),m)))))))
+m=A.cT(B.aa,A.cT(B.ab,A.cT(B.E,A.cT(B.E,A.cT(B.ac,A.cT(B.ad,A.cT(B.ae(B.D),m)))))))
 if(typeof dartNativeDispatchHooksTransformer!="undefined"){s=dartNativeDispatchHooksTransformer
 if(typeof s=="function")s=[s]
 if(s.constructor==Array)for(r=0;r<s.length;++r){q=s[r]
@@ -579,82 +574,81 @@ n=m.prototypeForTag
 $.nN=new A.l6(p)
 $.nI=new A.l7(o)
 $.nR=new A.l8(n)},
-cQ(a,b){return a(b)||b},
-ly(a,b,c,d,e,f){var s=b?"m":"",r=c?"":"i",q=d?"u":"",p=e?"s":"",o=f?"g":"",n=function(g,h){try{return new RegExp(g,h)}catch(m){return m}}(a,s+r+q+p+o)
+cT(a,b){return a(b)||b},
+lx(a,b,c,d,e,f){var s=b?"m":"",r=c?"":"i",q=d?"u":"",p=e?"s":"",o=f?"g":"",n=function(g,h){try{return new RegExp(g,h)}catch(m){return m}}(a,s+r+q+p+o)
 if(n instanceof RegExp)return n
 throw A.a(A.Q("Illegal RegExp pattern ("+String(n)+")",a,null))},
 t6(a,b,c){var s,r
 if(typeof b=="string")return a.indexOf(b,c)>=0
-else if(b instanceof A.eR){s=B.a.ay(a,c)
+else if(b instanceof A.eT){s=B.a.aD(a,c)
 r=b.b
-return r.test(s)}else{s=J.oz(b,B.a.ay(a,c))
-return!s.gK(s)}},
+return r.test(s)}else{s=J.oz(b,B.a.aD(a,c))
+return!s.gN(s)}},
 t5(a){if(/[[\]{}()*+?.\\^$|]/.test(a))return a.replace(/[[\]{}()*+?.\\^$|]/g,"\\$&")
 return a},
-t7(a,b,c,d){var s=a.substring(0,b),r=a.substring(c)
-return s+d+r},
-cW:function cW(a,b){this.a=a
+t7(a,b,c,d){return a.substring(0,b)+d+a.substring(c)},
+cZ:function cZ(a,b){this.a=a
 this.$ti=b},
-cV:function cV(){},
-hZ:function hZ(a,b,c){this.a=a
+cY:function cY(){},
+i_:function i_(a,b,c){this.a=a
 this.b=b
 this.c=c},
-aQ:function aQ(a,b,c,d){var _=this
+aR:function aR(a,b,c,d){var _=this
 _.a=a
 _.b=b
 _.c=c
 _.$ti=d},
-dE:function dE(a,b){this.a=a
+dG:function dG(a,b){this.a=a
 this.$ti=b},
-io:function io(a,b,c,d,e){var _=this
+ip:function ip(a,b,c,d,e){var _=this
 _.a=a
 _.c=b
 _.d=c
 _.e=d
 _.f=e},
-iI:function iI(a,b,c){this.a=a
+iJ:function iJ(a,b,c){this.a=a
 this.b=b
 this.c=c},
-j6:function j6(a,b,c,d,e,f){var _=this
+j7:function j7(a,b,c,d,e,f){var _=this
 _.a=a
 _.b=b
 _.c=c
 _.d=d
 _.e=e
 _.f=f},
-dm:function dm(a,b){this.a=a
+dp:function dp(a,b){this.a=a
 this.b=b},
-eS:function eS(a,b,c){this.a=a
+eU:function eU(a,b,c){this.a=a
 this.b=b
 this.c=c},
-fx:function fx(a){this.a=a},
-iE:function iE(a){this.a=a},
-d_:function d_(a,b){this.a=a
+fy:function fy(a){this.a=a},
+iF:function iF(a){this.a=a},
+d2:function d2(a,b){this.a=a
 this.b=b},
-dT:function dT(a){this.a=a
+dV:function dV(a){this.a=a
 this.b=null},
-bf:function bf(){},
-eu:function eu(){},
-ev:function ev(){},
-fu:function fu(){},
-fm:function fm(){},
-ce:function ce(a,b){this.a=a
+bg:function bg(){},
+ew:function ew(){},
+ex:function ex(){},
+fv:function fv(){},
+fn:function fn(){},
+cg:function cg(a,b){this.a=a
 this.b=b},
-fj:function fj(a){this.a=a},
+fk:function fk(a){this.a=a},
 k5:function k5(){},
-ad:function ad(a){var _=this
+ai:function ai(a){var _=this
 _.a=0
 _.f=_.e=_.d=_.c=_.b=null
 _.r=0
 _.$ti=a},
-ir:function ir(a){this.a=a},
-is:function is(a,b){var _=this
+is:function is(a){this.a=a},
+it:function it(a,b){var _=this
 _.a=a
 _.b=b
 _.d=_.c=null},
-d8:function d8(a,b){this.a=a
+T:function T(a,b){this.a=a
 this.$ti=b},
-eY:function eY(a,b,c){var _=this
+co:function co(a,b,c){var _=this
 _.a=a
 _.b=b
 _.d=_.c=null
@@ -662,22 +656,22 @@ _.$ti=c},
 l6:function l6(a){this.a=a},
 l7:function l7(a){this.a=a},
 l8:function l8(a){this.a=a},
-eR:function eR(a,b){var _=this
+eT:function eT(a,b){var _=this
 _.a=a
 _.b=b
 _.d=_.c=null},
-dN:function dN(a){this.b=a},
-h5:function h5(a,b,c){this.a=a
+dP:function dP(a){this.b=a},
+h6:function h6(a,b,c){this.a=a
 this.b=b
 this.c=c},
-jl:function jl(a,b,c){var _=this
+jm:function jm(a,b,c){var _=this
 _.a=a
 _.b=b
 _.c=c
 _.d=null},
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 _.d=null},
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-m4(a,b){if(a!==$)throw A.a(A.mI(b))},
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 f4:function f4(){},
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-return A.lU(a,r,!0)
-case 8:s=b.z
-r=A.bw(a,s,a0,a1)
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 return A.ni(a,r,!0)
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-m=b.Q
-l=A.e8(a,m,a0,a1)
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-return A.lS(a,n,l)
-case 11:k=b.z
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-i=b.Q
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+n=A.bx(a,o,a0,a1)
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-return A.lT(a,n,f,!0)
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-aC(a){var s
+if(A.mV(b))if(a instanceof A.bg){s=A.nL(a)
+if(s!=null)return s}return A.aD(a)},
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-return A.m1(J.aB(a))},
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+return s!=null?s:A.m0(a)}if(Array.isArray(a))return A.Z(a)
+return A.m0(J.aC(a))},
+Z(a){var s=a[v.arrayRti],r=t.b
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 return s},
-o(a){var s=a.$ti
-return s!=null?s:A.m1(a)},
-m1(a){var s=a.constructor,r=s.$ccache
+k(a){var s=a.$ti
+return s!=null?s:A.m0(a)},
+m0(a){var s=a.constructor,r=s.$ccache
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-r4(a,b){var s=a instanceof A.bf?a.__proto__.__proto__.constructor:b,r=A.qu(v.typeUniverse,s.name)
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+q=A.hs(v.typeUniverse,r,!0)
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+if(p===o)return A.cP(p,a,A.r9)
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-return A.cM(p,a,A.qY)},
-cM(a,b,c){a.b=c
+else r=s===t.y?A.hx:null
+if(r!=null)return A.cP(p,a,r)
+if(s.x===9){q=s.y
+if(s.z.every(A.t_)){p.r="$i"+q
+if(q==="t")return A.cP(p,a,A.r7)
+return A.cP(p,a,A.rb)}}else if(o===7)return A.cP(p,a,A.r_)
+return A.cP(p,a,A.qY)},
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+if(!A.bc(q))if(!(q===t._))s=q===t.K
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-if(!A.bb(a))if(!(a===t._))if(!(a===t.A))if(r!==7)s=r===8&&A.kH(a.z)||a===t.P||a===t.T
+kH(a){var s,r=a.x
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-return A.a3(v.typeUniverse,A.nO(a,s),null,s,null)},
+return A.a4(v.typeUniverse,A.nO(a,s),null,s,null)},
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-return this.z.b(a)},
+return this.y.b(a)},
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-return!!J.aB(a)[s]},
+return!!J.aC(a)[s]},
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+return!!J.aC(a)[s]},
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-qk(a){return new A.dX("TypeError: "+a)},
-aj(a,b){return new A.dX("TypeError: "+A.nc(a,null,b))},
+nx(a,b){throw A.a(A.qk(A.nc(a,A.nO(a,b),A.at(b,null))))},
+nc(a,b,c){var s=A.bS(a)
+return s+": type '"+A.e(A.at(b==null?A.aD(a):b,null))+"' is not a subtype of type '"+A.e(c)+"'"},
+qk(a){return new A.dZ("TypeError: "+a)},
+ak(a,b){return new A.dZ("TypeError: "+A.nc(a,null,b))},
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+hx(a){return!0===a||!1===a},
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 if(!1===a)return!1
-throw A.a(A.aj(a,"bool"))},
+throw A.a(A.ak(a,"bool"))},
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-throw A.a(A.aj(a,"bool"))},
+throw A.a(A.ak(a,"bool"))},
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-throw A.a(A.aj(a,"bool?"))},
+throw A.a(A.ak(a,"bool?"))},
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-throw A.a(A.aj(a,"double"))},
+throw A.a(A.ak(a,"double"))},
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-throw A.a(A.aj(a,"double"))},
+throw A.a(A.ak(a,"double"))},
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-throw A.a(A.aj(a,"double?"))},
-aZ(a){return typeof a=="number"&&Math.floor(a)===a},
+throw A.a(A.ak(a,"double?"))},
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+throw A.a(A.ak(a,"num"))},
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-throw A.a(A.aj(a,"num?"))},
+throw A.a(A.ak(a,"num?"))},
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-throw A.a(A.aj(a,"String"))},
+throw A.a(A.ak(a,"String"))},
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-throw A.a(A.aj(a,"String"))},
+throw A.a(A.ak(a,"String"))},
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-throw A.a(A.aj(a,"String?"))},
+throw A.a(A.ak(a,"String?"))},
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+if(!h)l+=B.a.Z(" extends ",A.at(j,a5))}l+=">"}else{l=""
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-if(m===9){p=A.rt(a.z)
-o=a.Q
+if(m===6){s=A.at(a.y,b)
+return s}if(m===7){r=a.y
+s=A.at(r,b)
+q=r.x
+return J.lo(q===11||q===12?B.a.Z("(",s)+")":s,"?")}if(m===8)return"FutureOr<"+A.e(A.at(a.y,b))+">"
+if(m===9){p=A.rt(a.y)
+o=a.z
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-if(m===12)return A.ny(a.z,b,a.Q)
+if(m===12)return A.ny(a.y,b,a.z)
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-n=a.z
+n=a.y
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-rt(a){var s,r=v.mangledGlobalNames[a]
-if(r!=null)return r
-s="minified:"+a
-return s},
+rt(a){var s=v.mangledGlobalNames[a]
+if(s!=null)return s
+return"minified:"+a},
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-if(m==null)return A.hr(a,b,!1)
+if(m==null)return A.hs(a,b,!1)
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-r=A.dZ(a,5,"#")
+r=A.e0(a,5,"#")
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-qr(a,b){return A.nt(a.eT,b)},
-hr(a,b,c){var s,r=a.eC,q=r.get(b)
+qs(a,b){return A.ns(a.tR,b)},
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-ke(a,b,c){var s,r,q=b.ch
-if(q==null)q=b.ch=new Map()
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+if(q==null)q=b.Q=new Map()
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-qt(a,b,c){var s,r,q,p=b.cx
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-s=c.cy
+qt(a,b,c){var s,r,q,p=b.as
+if(p==null)p=b.as=new Map()
+s=c.at
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-q=A.lS(a,b,c.y===10?c.Q:[c])
+q=A.lR(a,b,c.x===10?c.z:[c])
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+bt(a,b){b.a=A.r2
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 return b},
-dZ(a,b,c){var s,r,q=a.eC.get(c)
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 if(q!=null)return q
-s=new A.aI(null,null)
-s.y=b
-s.cy=c
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-nj(a,b,c){var s,r=b.cy+"*",q=a.eC.get(r)
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-if(d){s=b.y
-if(!A.bb(b))r=b===t.P||b===t.T||s===7||s===6
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+if(!A.bc(b))r=b===t.P||b===t.T||s===7||s===6
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-q.z=b
-q.cy=c
-return A.bs(a,q)},
-lU(a,b,c){var s,r=b.cy+"?",q=a.eC.get(r)
+if(r)return b}q=new A.aJ(null,null)
+q.x=6
+q.y=b
+q.at=c
+return A.bt(a,q)},
+lT(a,b,c){var s,r=b.at+"?",q=a.eC.get(r)
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-if(d){s=b.y
-if(!A.bb(b))if(!(b===t.P||b===t.T))if(s!==7)r=s===8&&A.la(b.z)
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+if(!A.bc(b))if(!(b===t.P||b===t.T))if(s!==7)r=s===8&&A.la(b.y)
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-p.z=b
-p.cy=c
-return A.bs(a,p)},
-ni(a,b,c){var s,r=b.cy+"/",q=a.eC.get(r)
+else if(s===6){q=b.y
+if(q.x===8&&A.la(q.y))return q
+else return A.pI(a,b)}}p=new A.aJ(null,null)
+p.x=7
+p.y=b
+p.at=c
+return A.bt(a,p)},
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 return s},
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-if(d){s=b.y
-if(!A.bb(b))if(!(b===t._))r=b===t.K
+if(d){s=b.x
+if(!A.bc(b))if(!(b===t._))r=b===t.K
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-q.y=8
-q.z=b
-q.cy=c
-return A.bs(a,q)},
+else if(s===1)return A.e_(a,"ah",[b])
+else if(b===t.P||b===t.T)return t.eH}q=new A.aJ(null,null)
+q.x=8
+q.y=b
+q.at=c
+return A.bt(a,q)},
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-s=new A.aI(null,null)
-s.y=13
-s.z=b
-s.cy=q
-r=A.bs(a,s)
+s=new A.aJ(null,null)
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-hq(a){var s,r,q,p=a.length
-for(s="",r="",q=0;q<p;++q,r=",")s+=r+a[q].cy
+hr(a){var s,r,q,p=a.length
+for(s="",r="",q=0;q<p;++q,r=",")s+=r+a[q].at
 return s},
-ql(a){var s,r,q,p,o,n,m=a.length
-for(s="",r="",q=0;q<m;q+=3,r=","){p=a[q]
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-n=a[q+2].cy
-s+=r+p+o+n}return s},
-dY(a,b,c){var s,r,q,p=b
-if(c.length>0)p+="<"+A.hq(c)+">"
+s+=r+p+o+a[q+2].at}return s},
+e_(a,b,c){var s,r,q,p=b
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 s=a.eC.get(p)
 if(s!=null)return s
-r=new A.aI(null,null)
-r.y=9
-r.z=b
-r.Q=c
+r=new A.aJ(null,null)
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+r.y=b
+r.z=c
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-q=A.bs(a,r)
+r.at=p
+q=A.bt(a,r)
 a.eC.set(p,q)
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-lS(a,b,c){var s,r,q,p,o,n
-if(b.y===10){s=b.z
-r=b.Q.concat(c)}else{r=c
-s=b}q=s.cy+(";<"+A.hq(r)+">")
+lR(a,b,c){var s,r,q,p,o,n
+if(b.x===10){s=b.y
+r=b.z.concat(c)}else{r=c
+s=b}q=s.at+(";<"+A.hr(r)+">")
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-o=new A.aI(null,null)
-o.y=10
-o.z=s
-o.Q=r
-o.cy=q
-n=A.bs(a,o)
+o=new A.aJ(null,null)
+o.x=10
+o.y=s
+o.z=r
+o.at=q
+n=A.bt(a,o)
 a.eC.set(q,n)
 return n},
-nh(a,b,c){var s,r,q,p,o,n=b.cy,m=c.a,l=m.length,k=c.b,j=k.length,i=c.c,h=i.length,g="("+A.hq(m)
+nh(a,b,c){var s,r,q,p,o,n=b.at,m=c.a,l=m.length,k=c.b,j=k.length,i=c.c,h=i.length,g="("+A.hr(m)
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-r=A.hq(k)
-g+=s+"["+r+"]"}if(h>0){s=l>0?",":""
-r=A.ql(i)
-g+=s+"{"+r+"}"}q=n+(g+")")
-p=a.eC.get(q)
-if(p!=null)return p
-o=new A.aI(null,null)
-o.y=11
-o.z=b
-o.Q=c
-o.cy=q
-r=A.bs(a,o)
-a.eC.set(q,r)
-return r},
-lT(a,b,c,d){var s,r=b.cy+("<"+A.hq(c)+">"),q=a.eC.get(r)
+g+=s+"["+A.hr(k)+"]"}if(h>0){s=l>0?",":""
+g+=s+"{"+A.ql(i)+"}"}r=n+(g+")")
+q=a.eC.get(r)
+if(q!=null)return q
+p=new A.aJ(null,null)
+p.x=11
+p.y=b
+p.z=c
+p.at=r
+o=A.bt(a,p)
+a.eC.set(r,o)
+return o},
+lS(a,b,c,d){var s,r=b.at+("<"+A.hr(c)+">"),q=a.eC.get(r)
 if(q!=null)return q
 s=A.qn(a,b,c,r,d)
 a.eC.set(r,s)
@@ -1172,14 +1162,14 @@ qn(a,b,c,d,e){var s,r,q,p,o,n,m,l
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 r=A.kh(s)
 for(q=0,p=0;p<s;++p){o=c[p]
-if(o.y===1){r[p]=o;++q}}if(q>0){n=A.bw(a,b,r,0)
-m=A.e8(a,c,r,0)
-return A.lT(a,n,m,c!==m)}}l=new A.aI(null,null)
-l.y=12
-l.z=b
-l.Q=c
-l.cy=d
-return A.bs(a,l)},
+if(o.x===1){r[p]=o;++q}}if(q>0){n=A.bx(a,b,r,0)
+m=A.ea(a,c,r,0)
+return A.lS(a,n,m,c!==m)}}l=new A.aJ(null,null)
+l.x=12
+l.y=b
+l.z=c
+l.at=d
+return A.bt(a,l)},
 ne(a,b,c,d){return{u:a,e:b,r:c,s:[],p:0,n:d}},
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 for(s=g.length,r=0;r<s;){q=g.charCodeAt(r)
@@ -1192,46 +1182,46 @@ case 58:f.push(!1)
 break
 case 33:f.push(!0)
 break
-case 59:f.push(A.bq(a.u,a.e,f.pop()))
+case 59:f.push(A.br(a.u,a.e,f.pop()))
 break
 case 94:f.push(A.qq(a.u,f.pop()))
 break
-case 35:f.push(A.dZ(a.u,5,"#"))
+case 35:f.push(A.e0(a.u,5,"#"))
 break
-case 64:f.push(A.dZ(a.u,2,"@"))
+case 64:f.push(A.e0(a.u,2,"@"))
 break
-case 126:f.push(A.dZ(a.u,3,"~"))
+case 126:f.push(A.e0(a.u,3,"~"))
 break
 case 60:f.push(a.p)
 a.p=f.length
 break
 case 62:p=a.u
 o=f.splice(a.p)
-A.lR(a.u,a.e,o)
+A.lQ(a.u,a.e,o)
 a.p=f.pop()
 n=f.pop()
-if(typeof n=="string")f.push(A.dY(p,n,o))
-else{m=A.bq(p,a.e,n)
-switch(m.y){case 11:f.push(A.lT(p,m,o,a.n))
+if(typeof n=="string")f.push(A.e_(p,n,o))
+else{m=A.br(p,a.e,n)
+switch(m.x){case 11:f.push(A.lS(p,m,o,a.n))
 break
-default:f.push(A.lS(p,m,o))
+default:f.push(A.lR(p,m,o))
 break}}break
 case 38:A.qg(a,f)
 break
 case 42:l=a.u
-f.push(A.nj(l,A.bq(l,a.e,f.pop()),a.n))
+f.push(A.nj(l,A.br(l,a.e,f.pop()),a.n))
 break
 case 63:l=a.u
-f.push(A.lU(l,A.bq(l,a.e,f.pop()),a.n))
+f.push(A.lT(l,A.br(l,a.e,f.pop()),a.n))
 break
 case 47:l=a.u
-f.push(A.ni(l,A.bq(l,a.e,f.pop()),a.n))
+f.push(A.ni(l,A.br(l,a.e,f.pop()),a.n))
 break
 case 40:f.push(a.p)
 a.p=f.length
 break
 case 41:p=a.u
-k=new A.he()
+k=new A.hf()
 j=p.sEA
 i=p.sEA
 n=f.pop()
@@ -1242,18 +1232,18 @@ break
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 break}else f.push(n)
 o=f.splice(a.p)
-A.lR(a.u,a.e,o)
+A.lQ(a.u,a.e,o)
 a.p=f.pop()
 k.a=o
 k.b=j
 k.c=i
-f.push(A.nh(p,A.bq(p,a.e,f.pop()),k))
+f.push(A.nh(p,A.br(p,a.e,f.pop()),k))
 break
 case 91:f.push(a.p)
 a.p=f.length
 break
 case 93:o=f.splice(a.p)
-A.lR(a.u,a.e,o)
+A.lQ(a.u,a.e,o)
 a.p=f.pop()
 f.push(o)
 f.push(-1)
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 f.push(-2)
 break
 default:throw"Bad character "+q}}}h=f.pop()
-return A.bq(a.u,a.e,h)},
+return A.br(a.u,a.e,h)},
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 for(s=c.length;a<s;++a){r=c.charCodeAt(a)
 if(!(r>=48&&r<=57))break
@@ -1282,76 +1272,76 @@ else q=!0
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-n=A.qv(s,o.z)[p]
-if(n==null)A.m('No "'+p+'" in "'+A.pH(o)+'"')
+if(o.x===10)o=o.y
+n=A.qv(s,o.y)[p]
+if(n==null)A.n('No "'+p+'" in "'+A.pH(o)+'"')
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 return m},
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-return}if(1===s){b.push(A.dZ(a.u,4,"1&"))
-return}throw A.a(A.hC("Unexpected extended operation "+A.e(s)))},
-bq(a,b,c){if(typeof c=="string")return A.dY(a,c,a.sEA)
+if(0===s){b.push(A.e0(a.u,1,"0&"))
+return}if(1===s){b.push(A.e0(a.u,4,"1&"))
+return}throw A.a(A.hD("Unexpected extended operation "+A.e(s)))},
+br(a,b,c){if(typeof c=="string")return A.e_(a,c,a.sEA)
 else if(typeof c=="number")return A.qh(a,b,c)
 else return c},
-lR(a,b,c){var s,r=c.length
-for(s=0;s<r;++s)c[s]=A.bq(a,b,c[s])},
+lQ(a,b,c){var s,r=c.length
+for(s=0;s<r;++s)c[s]=A.br(a,b,c[s])},
 qi(a,b,c){var s,r=c.length
-for(s=2;s<r;s+=3)c[s]=A.bq(a,b,c[s])},
-qh(a,b,c){var s,r,q=b.y
-if(q===10){if(c===0)return b.z
-s=b.Q
+for(s=2;s<r;s+=3)c[s]=A.br(a,b,c[s])},
+qh(a,b,c){var s,r,q=b.x
+if(q===10){if(c===0)return b.y
+s=b.z
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 if(c<=r)return s[c-1]
 c-=r
-b=b.z
-q=b.y}else if(c===0)return b
-if(q!==9)throw A.a(A.hC("Indexed base must be an interface type"))
-s=b.Q
+b=b.y
+q=b.x}else if(c===0)return b
+if(q!==9)throw A.a(A.hD("Indexed base must be an interface type"))
+s=b.z
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-throw A.a(A.hC("Bad index "+c+" for "+b.i(0)))},
-a3(a,b,c,d,e){var s,r,q,p,o,n,m,l,k,j
+throw A.a(A.hD("Bad index "+c+" for "+b.i(0)))},
+a4(a,b,c,d,e){var s,r,q,p,o,n,m,l,k,j
 if(b===d)return!0
-if(!A.bb(d))if(!(d===t._))s=d===t.K
+if(!A.bc(d))if(!(d===t._))s=d===t.K
 else s=!0
 else s=!0
 if(s)return!0
-r=b.y
+r=b.x
 if(r===4)return!0
-if(A.bb(b))return!1
-if(b.y!==1)s=b===t.P||b===t.T
+if(A.bc(b))return!1
+if(b.x!==1)s=b===t.P||b===t.T
 else s=!0
 if(s)return!0
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-if(q)if(A.a3(a,c[b.z],c,d,e))return!0
-p=d.y
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-if(p===6){s=d.z
-return A.a3(a,b,c,s,e)}if(r===8){if(!A.a3(a,b.z,c,d,e))return!1
-return A.a3(a,A.mU(a,b),c,d,e)}if(r===7){s=A.a3(a,b.z,c,d,e)
-return s}if(p===8){if(A.a3(a,b,c,d.z,e))return!0
-return A.a3(a,b,c,A.mU(a,d),e)}if(p===7){s=A.a3(a,b,c,d.z,e)
+if(q)if(A.a4(a,c[b.y],c,d,e))return!0
+p=d.x
+if(r===6)return A.a4(a,b.y,c,d,e)
+if(p===6){s=d.y
+return A.a4(a,b,c,s,e)}if(r===8){if(!A.a4(a,b.y,c,d,e))return!1
+return A.a4(a,A.mU(a,b),c,d,e)}if(r===7){s=A.a4(a,b.y,c,d,e)
+return s}if(p===8){if(A.a4(a,b,c,d.y,e))return!0
+return A.a4(a,b,c,A.mU(a,d),e)}if(p===7){s=A.a4(a,b,c,d.y,e)
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 s=r!==11
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 if(p===12){if(b===t.g)return!0
 if(r!==12)return!1
-o=b.Q
-n=d.Q
+o=b.z
+n=d.z
 m=o.length
 if(m!==n.length)return!1
 c=c==null?o:o.concat(c)
 e=e==null?n:n.concat(e)
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-return new A.a9(l===0?!1:c,i,l)},
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+return new A.aa(l===0?!1:c,i,l)},
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+aB(a,b){while(!0){if(!(a>0&&b[a-1]===0))break;--a}return a},
+lK(a,b,c,d){var s,r,q
+if(!A.b_(d))A.n(A.v("Invalid length "+A.e(d),null))
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-jq(a){var s,r,q,p,o=a<0
+jr(a){var s,r,q,p,o=a<0
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-return new A.a9(r!==0||!1,s,r)}a=-a}if(a<65536){s=new Uint16Array(1)
+r=A.aB(4,s)
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-r=A.aA(1,s)
-return new A.a9(r===0?!1:o,s,r)}if(a<=4294967295){s=new Uint16Array(2)
+r=A.aB(1,s)
+return new A.aa(r===0?!1:o,s,r)}if(a<=4294967295){s=new Uint16Array(2)
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-r=A.aA(2,s)
-return new A.a9(r===0?!1:o,s,r)}r=B.c.a3(B.c.gd7(a)-1,16)+1
+s[1]=B.c.a1(a,16)
+r=A.aB(2,s)
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-return new A.a9(r===0?!1:o,s,r)},
-lM(a,b,c,d){var s
+a=B.c.a4(a,65536)}r=A.aB(r,s)
+return new A.aa(r===0?!1:o,s,r)},
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-s=B.c.a0(s,16)}for(r=d;r<b;++r){s+=a[r]
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-s=B.c.a0(s,16)}e[b]=s},
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+s=B.c.a1(s,16)}e[b]=s},
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-s=0-(B.c.a0(s,16)&1)}},
+s=0-(B.c.a1(s,16)&1)}},
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-s=B.c.a3(q,65536)}for(;s!==0;e=p){o=d[e]+s
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+s=B.c.a4(o,65536)}},
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-s=B.c.aE((r<<16|b[c-1])>>>0,a)
+s=B.c.aJ((r<<16|b[c-1])>>>0,a)
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-ez(a){if(a>=10)return""+a
+eB(a){if(a>=10)return""+a
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-bR(a){if(typeof a=="number"||A.hw(a)||a==null)return J.a_(a)
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-p2(a,b){A.bx(a,"error",t.K)
-A.bx(b,"stackTrace",t.gm)
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-else if(s===32)return A.n_(B.a.w(a5,5,a4),0,a3).gdH()}r=A.bl(8,0,!1,t.S)
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-k=!1}else{if(q===4)if(B.a.ab(a5,"file",0)){if(p<=0){if(!B.a.ab(a5,"/",n)){g="file:///"
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-a5=B.a.aB(a5,o,n,"")
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-else if(q===5&&B.a.ab(a5,"https",0)){if(i&&o+4===n&&B.a.ab(a5,"443",o+1)){l-=4
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-a5=B.a.aB(a5,o,n,"")
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 a4-=3
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-if(k){if(a4<a5.length){a5=B.a.w(a5,0,a4)
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-c=""}a1=A.lX(a5,n,m,a3,j,b!=null)
+c=""}a1=A.lW(a5,n,m,a3,j,b!=null)
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-for(s=b,r=s,q=0;s<c;++s){p=B.a.U(a,s)
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-o=A.cS(B.a.w(a,r,s),null)
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-o=A.cS(B.a.w(a,r,c),null)
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-if(B.a.U(a,r)!==58)d.$2("invalid start colon.",r)
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 s.push(-1)
 p=!0}else s.push(c.$2(q,r))
 q=r+1}else if(n===46)o=!0}if(s.length===0)d.$2("too few parts",e)
 m=q===a0
-l=B.e.gb6(s)
+l=B.e.gb9(s)
 if(m&&l!==-1)d.$2("expected a part after last `:`",a0)
 if(!m)if(!o)s.push(c.$2(q,a0))
 else{k=A.pV(a,q,a0)
@@ -2321,104 +2306,98 @@ j=new Uint8Array(16)
 for(l=s.length,i=9-l,r=0,h=0;r<l;++r){g=s[r]
 if(g===-1)for(f=0;f<i;++f){j[h]=0
 j[h+1]=0
-h+=2}else{j[h]=B.c.a0(g,8)
+h+=2}else{j[h]=B.c.a1(g,8)
 j[h+1]=g&255
 h+=2}}return j},
-lV(a,b,c,d,e,f,g){return new A.e0(a,b,c,d,e,f,g)},
-nl(a){if(a==="http")return 80
+lU(a,b,c,d,e,f,g){return new A.e2(a,b,c,d,e,f,g)},
+nk(a){if(a==="http")return 80
 if(a==="https")return 443
 return 0},
-nk(a,b){var s,r,q,p,o,n
-for(s=a.length,r=0;r<s;++r){q=B.a.H(a,r)
-p=B.a.H(b,r)
-o=q^p
-if(o!==0){if(o===32){n=p|o
-if(97<=n&&n<=122)continue}return!1}}return!0},
-cL(a,b,c){throw A.a(A.Q(c,a,b))},
-no(a,b){if(a!=null&&a===A.nl(b))return null
+cO(a,b,c){throw A.a(A.Q(c,a,b))},
+nn(a,b){if(a!=null&&a===A.nk(b))return null
 return a},
 qA(a,b,c,d){var s,r,q,p,o,n
 if(a==null)return null
 if(b===c)return""
-if(B.a.U(a,b)===91){s=c-1
-if(B.a.U(a,s)!==93){A.cL(a,b,"Missing end `]` to match `[` in host")
-A.aH(u.g)}r=b+1
+if(B.a.V(a,b)===91){s=c-1
+if(B.a.V(a,s)!==93){A.cO(a,b,"Missing end `]` to match `[` in host")
+A.aI(u.g)}r=b+1
 q=A.qy(a,r,s)
 if(q<s){p=q+1
-o=A.ns(a,B.a.ab(a,"25",p)?q+3:p,s,"%25")}else o=""
+o=A.nr(a,B.a.ac(a,"25",p)?q+3:p,s,"%25")}else o=""
 A.n0(a,r,q)
-return B.a.w(a,b,q).toLowerCase()+o+"]"}for(n=b;n<c;++n)if(B.a.U(a,n)===58){q=B.a.bq(a,"%",b)
+return B.a.A(a,b,q).toLowerCase()+o+"]"}for(n=b;n<c;++n)if(B.a.V(a,n)===58){q=B.a.bs(a,"%",b)
 q=q>=b&&q<c?q:c
 if(q<c){p=q+1
-o=A.ns(a,B.a.ab(a,"25",p)?q+3:p,c,"%25")}else o=""
+o=A.nr(a,B.a.ac(a,"25",p)?q+3:p,c,"%25")}else o=""
 A.n0(a,b,q)
-return"["+B.a.w(a,b,q)+o+"]"}return A.qE(a,b,c)},
-qy(a,b,c){var s=B.a.bq(a,"%",b)
+return"["+B.a.A(a,b,q)+o+"]"}return A.qE(a,b,c)},
+qy(a,b,c){var s=B.a.bs(a,"%",b)
 return s>=b&&s<c?s:c},
-ns(a,b,c,d){var s,r,q,p,o,n,m,l,k,j,i=d!==""?new A.a1(d):null
-for(s=b,r=s,q=!0;s<c;){p=B.a.U(a,s)
-if(p===37){o=A.lY(a,s,!0)
+nr(a,b,c,d){var s,r,q,p,o,n,m,l,k,j,i=d!==""?new A.a2(d):null
+for(s=b,r=s,q=!0;s<c;){p=B.a.V(a,s)
+if(p===37){o=A.lX(a,s,!0)
 n=o==null
 if(n&&q){s+=3
-continue}if(i==null)i=new A.a1("")
-m=i.a+=B.a.w(a,r,s)
-if(n)o=B.a.w(a,s,s+3)
-else if(o==="%"){A.cL(a,s,"ZoneID should not contain % anymore")
-A.aH(u.g)}i.a=m+o
+continue}if(i==null)i=new A.a2("")
+m=i.a+=B.a.A(a,r,s)
+if(n)o=B.a.A(a,s,s+3)
+else if(o==="%"){A.cO(a,s,"ZoneID should not contain % anymore")
+A.aI(u.g)}i.a=m+o
 s+=3
 r=s
-q=!0}else if(p<127&&(B.N[p>>>4]&1<<(p&15))!==0){if(q&&65<=p&&90>=p){if(i==null)i=new A.a1("")
-if(r<s){i.a+=B.a.w(a,r,s)
-r=s}q=!1}++s}else{if((p&64512)===55296&&s+1<c){l=B.a.U(a,s+1)
+q=!0}else if(p<127&&(B.N[p>>>4]&1<<(p&15))!==0){if(q&&65<=p&&90>=p){if(i==null)i=new A.a2("")
+if(r<s){i.a+=B.a.A(a,r,s)
+r=s}q=!1}++s}else{if((p&64512)===55296&&s+1<c){l=B.a.V(a,s+1)
 if((l&64512)===56320){p=(p&1023)<<10|l&1023|65536
 k=2}else k=1}else k=1
-j=B.a.w(a,r,s)
-if(i==null){i=new A.a1("")
+j=B.a.A(a,r,s)
+if(i==null){i=new A.a2("")
 n=i}else n=i
 n.a+=j
-n.a+=A.lW(p)
+n.a+=A.lV(p)
 s+=k
-r=s}}if(i==null)return B.a.w(a,b,c)
-if(r<c)i.a+=B.a.w(a,r,c)
+r=s}}if(i==null)return B.a.A(a,b,c)
+if(r<c)i.a+=B.a.A(a,r,c)
 n=i.a
 return n.charCodeAt(0)==0?n:n},
 qE(a,b,c){var s,r,q,p,o,n,m,l,k,j,i
-for(s=b,r=s,q=null,p=!0;s<c;){o=B.a.U(a,s)
-if(o===37){n=A.lY(a,s,!0)
+for(s=b,r=s,q=null,p=!0;s<c;){o=B.a.V(a,s)
+if(o===37){n=A.lX(a,s,!0)
 m=n==null
 if(m&&p){s+=3
-continue}if(q==null)q=new A.a1("")
-l=B.a.w(a,r,s)
+continue}if(q==null)q=new A.a2("")
+l=B.a.A(a,r,s)
 k=q.a+=!p?l.toLowerCase():l
-if(m){n=B.a.w(a,s,s+3)
+if(m){n=B.a.A(a,s,s+3)
 j=3}else if(n==="%"){n="%25"
 j=1}else j=3
 q.a=k+n
 s+=j
 r=s
-p=!0}else if(o<127&&(B.aR[o>>>4]&1<<(o&15))!==0){if(p&&65<=o&&90>=o){if(q==null)q=new A.a1("")
-if(r<s){q.a+=B.a.w(a,r,s)
-r=s}p=!1}++s}else if(o<=93&&(B.L[o>>>4]&1<<(o&15))!==0){A.cL(a,s,"Invalid character")
-A.aH(u.g)}else{if((o&64512)===55296&&s+1<c){i=B.a.U(a,s+1)
+p=!0}else if(o<127&&(B.aR[o>>>4]&1<<(o&15))!==0){if(p&&65<=o&&90>=o){if(q==null)q=new A.a2("")
+if(r<s){q.a+=B.a.A(a,r,s)
+r=s}p=!1}++s}else if(o<=93&&(B.L[o>>>4]&1<<(o&15))!==0){A.cO(a,s,"Invalid character")
+A.aI(u.g)}else{if((o&64512)===55296&&s+1<c){i=B.a.V(a,s+1)
 if((i&64512)===56320){o=(o&1023)<<10|i&1023|65536
 j=2}else j=1}else j=1
-l=B.a.w(a,r,s)
+l=B.a.A(a,r,s)
 if(!p)l=l.toLowerCase()
-if(q==null){q=new A.a1("")
+if(q==null){q=new A.a2("")
 m=q}else m=q
 m.a+=l
-m.a+=A.lW(o)
+m.a+=A.lV(o)
 s+=j
-r=s}}if(q==null)return B.a.w(a,b,c)
-if(r<c){l=B.a.w(a,r,c)
+r=s}}if(q==null)return B.a.A(a,b,c)
+if(r<c){l=B.a.A(a,r,c)
 q.a+=!p?l.toLowerCase():l}m=q.a
 return m.charCodeAt(0)==0?m:m},
-np(a,b,c){var s,r,q,p=u.g
+no(a,b,c){var s,r,q,p=u.g
 if(b===c)return""
-if(!A.nn(J.ow(a,b))){A.cL(a,b,"Scheme not starting with alphabetic character")
-A.aH(p)}for(s=b,r=!1;s<c;++s){q=B.a.H(a,s)
-if(!(q<128&&(B.M[q>>>4]&1<<(q&15))!==0)){A.cL(a,s,"Illegal scheme character")
-A.aH(p)}if(65<=q&&q<=90)r=!0}a=B.a.w(a,b,c)
+if(!A.nm(J.ow(a,b))){A.cO(a,b,"Scheme not starting with alphabetic character")
+A.aI(p)}for(s=b,r=!1;s<c;++s){q=B.a.H(a,s)
+if(!(q<128&&(B.M[q>>>4]&1<<(q&15))!==0)){A.cO(a,s,"Illegal scheme character")
+A.aI(p)}if(65<=q&&q<=90)r=!0}a=B.a.A(a,b,c)
 return A.qx(r?a.toLowerCase():a)},
 qx(a){if(a==="http")return"http"
 if(a==="file")return"file"
@@ -2426,32 +2405,32 @@ if(a==="https")return"https"
 if(a==="package")return"package"
 return a},
 qC(a,b,c){if(a==null)return""
-return A.e1(a,b,c,B.aP,!1)},
-lX(a,b,c,d,e,f){var s,r=e==="file",q=r||f
+return A.e3(a,b,c,B.aP,!1)},
+lW(a,b,c,d,e,f){var s,r=e==="file",q=r||f
 if(a==null){if(d==null)return r?"/":""
-s=new A.L(d,new A.kf(),A.Y(d).h("L<1,l>")).aP(0,"/")}else if(d!=null)throw A.a(A.v("Both path and pathSegments specified",null))
-else s=A.e1(a,b,c,B.O,!0)
-if(s.length===0){if(r)return"/"}else if(q&&!B.a.aa(s,"/"))s="/"+s
+s=new A.L(d,new A.kf(),A.Z(d).h("L<1,m>")).aR(0,"/")}else if(d!=null)throw A.a(A.v("Both path and pathSegments specified",null))
+else s=A.e3(a,b,c,B.O,!0)
+if(s.length===0){if(r)return"/"}else if(q&&!B.a.ab(s,"/"))s="/"+s
 return A.qD(s,e,f)},
 qD(a,b,c){var s=b.length===0
-if(s&&!c&&!B.a.aa(a,"/"))return A.qF(a,!s||c)
+if(s&&!c&&!B.a.ab(a,"/"))return A.qF(a,!s||c)
 return A.qG(a)},
-qB(a,b,c,d){if(a!=null)return A.e1(a,b,c,B.r,!0)
+qB(a,b,c,d){if(a!=null)return A.e3(a,b,c,B.r,!0)
 return null},
 qz(a,b,c){if(a==null)return null
-return A.e1(a,b,c,B.r,!0)},
-lY(a,b,c){var s,r,q,p,o,n=b+2
+return A.e3(a,b,c,B.r,!0)},
+lX(a,b,c){var s,r,q,p,o,n=b+2
 if(n>=a.length)return"%"
-s=B.a.U(a,b+1)
-r=B.a.U(a,n)
+s=B.a.V(a,b+1)
+r=B.a.V(a,n)
 q=A.l5(s)
 p=A.l5(r)
 if(q<0||p<0)return"%"
 o=q*16+p
-if(o<127&&(B.N[B.c.a0(o,4)]&1<<(o&15))!==0)return A.iK(c&&65<=o&&90>=o?(o|32)>>>0:o)
-if(s>=97||r>=97)return B.a.w(a,b,b+3).toUpperCase()
+if(o<127&&(B.N[B.c.a1(o,4)]&1<<(o&15))!==0)return A.iL(c&&65<=o&&90>=o?(o|32)>>>0:o)
+if(s>=97||r>=97)return B.a.A(a,b,b+3).toUpperCase()
 return null},
-lW(a){var s,r,q,p,o,n="0123456789ABCDEF"
+lV(a){var s,r,q,p,o,n="0123456789ABCDEF"
 if(a<128){s=new Uint8Array(3)
 s[0]=37
 s[1]=B.a.H(n,a>>>4)
@@ -2464,46 +2443,46 @@ s[p]=37
 s[p+1]=B.a.H(n,o>>>4)
 s[p+2]=B.a.H(n,o&15)
 p+=3}}return A.pP(s,0,null)},
-e1(a,b,c,d,e){var s=A.nr(a,b,c,d,e)
-return s==null?B.a.w(a,b,c):s},
-nr(a,b,c,d,e){var s,r,q,p,o,n,m,l,k,j=null
-for(s=!e,r=b,q=r,p=j;r<c;){o=B.a.U(a,r)
+e3(a,b,c,d,e){var s=A.nq(a,b,c,d,e)
+return s==null?B.a.A(a,b,c):s},
+nq(a,b,c,d,e){var s,r,q,p,o,n,m,l,k,j,i=null
+for(s=!e,r=b,q=r,p=i;r<c;){o=B.a.V(a,r)
 if(o<127&&(d[o>>>4]&1<<(o&15))!==0)++r
-else{if(o===37){n=A.lY(a,r,!1)
+else{if(o===37){n=A.lX(a,r,!1)
 if(n==null){r+=3
 continue}if("%"===n){n="%25"
-m=1}else m=3}else if(s&&o<=93&&(B.L[o>>>4]&1<<(o&15))!==0){A.cL(a,r,"Invalid character")
-A.aH(u.g)
-m=j
+m=1}else m=3}else if(s&&o<=93&&(B.L[o>>>4]&1<<(o&15))!==0){A.cO(a,r,"Invalid character")
+A.aI(u.g)
+m=i
 n=m}else{if((o&64512)===55296){l=r+1
-if(l<c){k=B.a.U(a,l)
+if(l<c){k=B.a.V(a,l)
 if((k&64512)===56320){o=(o&1023)<<10|k&1023|65536
 m=2}else m=1}else m=1}else m=1
-n=A.lW(o)}if(p==null){p=new A.a1("")
+n=A.lV(o)}if(p==null){p=new A.a2("")
 l=p}else l=p
-l.a+=B.a.w(a,q,r)
-l.a+=A.e(n)
+j=l.a+=B.a.A(a,q,r)
+l.a=j+A.e(n)
 r+=m
-q=r}}if(p==null)return j
-if(q<c)p.a+=B.a.w(a,q,c)
+q=r}}if(p==null)return i
+if(q<c)p.a+=B.a.A(a,q,c)
 s=p.a
 return s.charCodeAt(0)==0?s:s},
-nq(a){if(B.a.aa(a,"."))return!0
+np(a){if(B.a.ab(a,"."))return!0
 return B.a.dk(a,"/.")!==-1},
 qG(a){var s,r,q,p,o,n
-if(!A.nq(a))return a
+if(!A.np(a))return a
 s=A.h([],t.s)
 for(r=a.split("/"),q=r.length,p=!1,o=0;o<q;++o){n=r[o]
 if(J.I(n,"..")){if(s.length!==0){s.pop()
 if(s.length===0)s.push("")}p=!0}else if("."===n)p=!0
 else{s.push(n)
 p=!1}}if(p)s.push("")
-return B.e.aP(s,"/")},
+return B.e.aR(s,"/")},
 qF(a,b){var s,r,q,p,o,n
-if(!A.nq(a))return!b?A.nm(a):a
+if(!A.np(a))return!b?A.nl(a):a
 s=A.h([],t.s)
 for(r=a.split("/"),q=r.length,p=!1,o=0;o<q;++o){n=r[o]
-if(".."===n)if(s.length!==0&&B.e.gb6(s)!==".."){s.pop()
+if(".."===n)if(s.length!==0&&B.e.gb9(s)!==".."){s.pop()
 p=!0}else{s.push("..")
 p=!1}else if("."===n)p=!0
 else{s.push(n)
@@ -2511,14 +2490,14 @@ p=!1}}r=s.length
 if(r!==0)r=r===1&&s[0].length===0
 else r=!0
 if(r)return"./"
-if(p||B.e.gb6(s)==="..")s.push("")
-if(!b)s[0]=A.nm(s[0])
-return B.e.aP(s,"/")},
-nm(a){var s,r,q=a.length
-if(q>=2&&A.nn(B.a.H(a,0)))for(s=1;s<q;++s){r=B.a.H(a,s)
-if(r===58)return B.a.w(a,0,s)+"%3A"+B.a.ay(a,s+1)
+if(p||B.e.gb9(s)==="..")s.push("")
+if(!b)s[0]=A.nl(s[0])
+return B.e.aR(s,"/")},
+nl(a){var s,r,q=a.length
+if(q>=2&&A.nm(B.a.H(a,0)))for(s=1;s<q;++s){r=B.a.H(a,s)
+if(r===58)return B.a.A(a,0,s)+"%3A"+B.a.aD(a,s+1)
 if(r>127||(B.M[r>>>4]&1<<(r&15))===0)break}return a},
-nn(a){var s=a|32
+nm(a){var s=a|32
 return 97<=s&&s<=122},
 n_(a,b,c){var s,r,q,p,o,n,m,l,k="Invalid MIME type",j=A.h([b-1],t.t)
 for(s=a.length,r=b,q=-1,p=null;r<s;++r){p=B.a.H(a,r)
@@ -2528,13 +2507,13 @@ continue}throw A.a(A.Q(k,a,r))}}if(q<0&&r>b)throw A.a(A.Q(k,a,r))
 for(;p!==44;){j.push(r);++r
 for(o=-1;r<s;++r){p=B.a.H(a,r)
 if(p===61){if(o<0)o=r}else if(p===59||p===44)break}if(o>=0)j.push(o)
-else{n=B.e.gb6(j)
-if(p!==44||r!==n+7||!B.a.ab(a,"base64",n+1))throw A.a(A.Q("Expecting '='",a,r))
+else{n=B.e.gb9(j)
+if(p!==44||r!==n+7||!B.a.ac(a,"base64",n+1))throw A.a(A.Q("Expecting '='",a,r))
 break}}j.push(r)
 m=r+1
 if((j.length&1)===1)a=B.a6.fw(a,m,s)
-else{l=A.nr(a,m,s,B.r,!0)
-if(l!=null)a=B.a.aB(a,m,s,l)}return new A.j8(a,j,c)},
+else{l=A.nq(a,m,s,B.r,!0)
+if(l!=null)a=B.a.aG(a,m,s,l)}return new A.j9(a,j,c)},
 qQ(){var s,r,q,p,o,n="0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-._~!$&'()*+,;=",m=".",l=":",k="/",j="?",i="#",h=A.h(new Array(22),t.gN)
 for(s=0;s<22;++s)h[s]=new Uint8Array(96)
 r=new A.ks(h)
@@ -2662,71 +2641,78 @@ p.$3(o,"09",21)
 q.$3(o,"+-.",21)
 return h},
 nF(a,b,c,d,e){var s,r,q,p,o,n=$.or()
-for(s=J.cR(a),r=b;r<c;++r){q=n[d]
+for(s=J.cU(a),r=b;r<c;++r){q=n[d]
 p=s.H(a,r)^96
 o=q[p>95?31:p]
 d=o&31
 e[o>>>5]=r}return d},
-iC:function iC(a,b){this.a=a
+nv(a,b,c){var s,r,q,p,o,n,m
+for(s=a.length,r=0,q=0;q<s;++q){p=B.a.H(a,q)
+o=B.a.H(b,c+q)
+n=p^o
+if(n!==0){if(n===32){m=o|n
+if(97<=m&&m<=122){r=32
+continue}}return-1}}return r},
+iD:function iD(a,b){this.a=a
 this.b=b},
-a9:function a9(a,b,c){this.a=a
+aa:function aa(a,b,c){this.a=a
 this.b=b
 this.c=c},
-js:function js(){},
 jt:function jt(){},
-bg:function bg(a,b){this.a=a
+ju:function ju(){},
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-return new J.U(s,s.length,A.Y(s).h("U<1>"))},
-gk(a){return this.a.c.length}}
-A.io.prototype={
+gJ(){return new A.dG(this,this.$ti.h("dG<1>"))}}
+A.dG.prototype={
+gC(a){var s=this.a.c
+return new J.V(s,s.length,A.Z(s).h("V<1>"))},
+gl(a){return this.a.c.length}}
+A.ip.prototype={
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 return s},
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-A.iI.prototype={
+o=new A.ai(t.eo)
+for(n=0;n<r;++n)o.p(0,new A.cy(s[n]),q[p+n])
+return new A.cZ(o,t.gF)}}
+A.iJ.prototype={
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 s.b=s.b+"$"+A.e(a)
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 this.c.push(b);++s.a},
 $S:40}
-A.j6.prototype={
-al(a){var s,r,q=this,p=new RegExp(q.a).exec(a)
+A.j7.prototype={
+am(a){var s,r,q=this,p=new RegExp(q.a).exec(a)
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 r=q.f
 if(r!==-1)s.receiver=p[r+1]
 return s}}
-A.dm.prototype={
+A.dp.prototype={
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 if(s==null)return"NoSuchMethodError: "+A.e(this.a)
 return"NoSuchMethodError: method not found: '"+s+"' on null"}}
-A.eS.prototype={
+A.eU.prototype={
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 if(p==null)return"NoSuchMethodError: "+A.e(r.a)
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 if(s==null)return q+p+"' ("+A.e(r.a)+")"
 return q+p+"' on '"+s+"' ("+A.e(r.a)+")"}}
-A.fx.prototype={
+A.fy.prototype={
 i(a){var s=this.a
 return s.length===0?"Error":"Error: "+s}}
-A.iE.prototype={
+A.iF.prototype={
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-A.d_.prototype={}
-A.dT.prototype={
+A.d2.prototype={}
+A.dV.prototype={
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 $iae:1}
-A.bf.prototype={
+A.bg.prototype={
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-A.ev.prototype={$C:"$2",$R:2}
-A.fu.prototype={}
-A.fm.prototype={
+A.ew.prototype={$C:"$0",$R:0}
+A.ex.prototype={$C:"$2",$R:2}
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+A.fn.prototype={
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+A.cg.prototype={
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-A.fj.prototype={
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+an(a,b){var s=this
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-o.cs(p)
-if(r.length===0)o.bO(n,s)
+o.ct(p)
+if(r.length===0)delete n[s]
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+cu(a,b,c){var s=a[b]
+if(s==null)a[b]=this.bW(b,c)
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+cs(a,b){var s
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-s=this.aY(a,b)
+s=a[b]
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-this.cs(s)
-this.bO(a,b)
+this.ct(s)
+delete a[b]
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-aN(a,b){var s,r
+b6(a){return J.z(a)&0x3fffffff},
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-this.bO(r,s)
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-A.ir.prototype={
+i(a){return A.dg(this)},
+bV(){var s=Object.create(null)
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+return s}}
+A.is.prototype={
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-A.is.prototype={}
-A.d8.prototype={
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+$S(){return A.k(this.a).h("~(1,2)")}}
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-a7(a,b){return this.a.R(b)}}
-A.eY.prototype={
+a8(a,b){return this.a.S(b)}}
+A.co.prototype={
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+k(){var s,r=this,q=r.a
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-if(typeof a!="string")A.m(A.aa(a))
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+bt(a,b,c){return this.ak(a,null,b,c)},
+dr(a,b){return this.ak(a,null,b,null)}}
+A.hc.prototype={
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+A.bq.prototype={
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+A.dI.prototype={
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-bt(a,b){throw A.a(A.mO(this,b.gdt(),b.gdB(),b.gdu()))},
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+Y(a){this.a+=A.iL(a)},
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-A.j9.prototype={
+A.ja.prototype={
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-A.jb.prototype={
+A.jc.prototype={
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-A.jc.prototype={
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 if(b-a>4)this.a.$2("an IPv6 part can only contain a maximum of 4 hex digits",a)
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-gbu(a){var s=this.d
-return s==null?A.nl(this.a):s},
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-dE(a){return this.bw(null,a)},
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-gbu(a){var s,r=this
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-if(s===5&&B.a.aa(r.a,"https"))return 443
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+if(s===5&&B.a.ab(r.a,"https"))return 443
 return 0},
-gdA(a){return B.a.w(this.a,this.e,this.f)},
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-return s<r?B.a.w(this.a,s+1,r):""},
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-br(a,b,c){return this.aj(a,null,b,c)}}
-A.hd.prototype={
-ai(){var s=this
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+A.lu.prototype={}
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+return $.ln()},
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-if(r.b==null)throw A.a(A.W("Subscription has been canceled."))
+if(r.b==null)throw A.a(A.X("Subscription has been canceled."))
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+s=A.nH(new A.jG(a),t.G)
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 this.c3()},
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 $S:6}
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 $S:6}
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-A.bx(!0,"isUtc",t.y)
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+if(a==null)s.gaw().u(0,B.i.aF($.ed().aT(A.n3(new A.kL(r))),null))
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+$.po=A.aq(t.N,t.L)
+$.kU=A.aq(A.al("b*"),t.V)
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+$.kv=A.lA(A.al("b*"))
+$.m8=A.lA(t.l)
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 break}}v.dispatchPropertyName=v.getIsolateTag("dispatch_record")}()
-hunkHelpers.setOrUpdateInterceptorsByTag({Blob:J.aw,DOMError:J.aw,File:J.aw,MediaError:J.aw,NavigatorUserMediaError:J.aw,OverconstrainedError:J.aw,PositionError:J.aw,GeolocationPositionError:J.aw,ArrayBuffer:A.f0,ArrayBufferView:A.f6,DataView:A.iB,Float32Array:A.f1,Float64Array:A.f2,Int16Array:A.f3,Int32Array:A.f4,Int8Array:A.f5,Uint16Array:A.f7,Uint32Array:A.f8,Uint8ClampedArray:A.dk,CanvasPixelArray:A.dk,Uint8Array:A.bZ,CloseEvent:A.be,DOMException:A.i3,AbortPaymentEvent:A.c,AnimationEvent:A.c,AnimationPlaybackEvent:A.c,ApplicationCacheErrorEvent:A.c,BackgroundFetchClickEvent:A.c,BackgroundFetchEvent:A.c,BackgroundFetchFailEvent:A.c,BackgroundFetchedEvent:A.c,BeforeInstallPromptEvent:A.c,BeforeUnloadEvent:A.c,BlobEvent:A.c,CanMakePaymentEvent:A.c,ClipboardEvent:A.c,CompositionEvent:A.c,CustomEvent:A.c,DeviceMotionEvent:A.c,DeviceOrientationEvent:A.c,ErrorEvent:A.c,ExtendableEvent:A.c,ExtendableMessageEvent:A.c,FetchEvent:A.c,FocusEvent:A.c,FontFaceSetLoadEvent:A.c,ForeignFetchEvent:A.c,GamepadEvent:A.c,HashChangeEvent:A.c,InstallEvent:A.c,KeyboardEvent:A.c,MediaEncryptedEvent:A.c,MediaKeyMessageEvent:A.c,MediaQueryListEvent:A.c,MediaStreamEvent:A.c,MediaStreamTrackEvent:A.c,MIDIConnectionEvent:A.c,MIDIMessageEvent:A.c,MouseEvent:A.c,DragEvent:A.c,MutationEvent:A.c,NotificationEvent:A.c,PageTransitionEvent:A.c,PaymentRequestEvent:A.c,PaymentRequestUpdateEvent:A.c,PointerEvent:A.c,PopStateEvent:A.c,PresentationConnectionAvailableEvent:A.c,PresentationConnectionCloseEvent:A.c,PromiseRejectionEvent:A.c,PushEvent:A.c,RTCDataChannelEvent:A.c,RTCDTMFToneChangeEvent:A.c,RTCPeerConnectionIceEvent:A.c,RTCTrackEvent:A.c,SecurityPolicyViolationEvent:A.c,SensorErrorEvent:A.c,SpeechRecognitionError:A.c,SpeechRecognitionEvent:A.c,SpeechSynthesisEvent:A.c,StorageEvent:A.c,SyncEvent:A.c,TextEvent:A.c,TouchEvent:A.c,TrackEvent:A.c,TransitionEvent:A.c,WebKitTransitionEvent:A.c,UIEvent:A.c,VRDeviceEvent:A.c,VRDisplayEvent:A.c,VRSessionEvent:A.c,WheelEvent:A.c,MojoInterfaceRequestEvent:A.c,USBConnectionEvent:A.c,IDBVersionChangeEvent:A.c,AudioProcessingEvent:A.c,OfflineAudioCompletionEvent:A.c,WebGLContextEvent:A.c,Event:A.c,InputEvent:A.c,SubmitEvent:A.c,EventSource:A.eH,MessagePort:A.cZ,EventTarget:A.cZ,XMLHttpRequest:A.bT,XMLHttpRequestEventTarget:A.eK,MessageEvent:A.b5,ProgressEvent:A.aT,ResourceProgressEvent:A.aT,WebSocket:A.dx,Window:A.dy,DOMWindow:A.dy})
+hunkHelpers.setOrUpdateInterceptorsByTag({Blob:J.ax,DOMError:J.ax,File:J.ax,MediaError:J.ax,NavigatorUserMediaError:J.ax,OverconstrainedError:J.ax,PositionError:J.ax,GeolocationPositionError:J.ax,ArrayBuffer:A.f1,ArrayBufferView:A.f7,DataView:A.iC,Float32Array:A.f2,Float64Array:A.f3,Int16Array:A.f4,Int32Array:A.f5,Int8Array:A.f6,Uint16Array:A.f8,Uint32Array:A.f9,Uint8ClampedArray:A.dm,CanvasPixelArray:A.dm,Uint8Array:A.c0,CloseEvent:A.bf,DOMException:A.i4,AbortPaymentEvent:A.c,AnimationEvent:A.c,AnimationPlaybackEvent:A.c,ApplicationCacheErrorEvent:A.c,BackgroundFetchClickEvent:A.c,BackgroundFetchEvent:A.c,BackgroundFetchFailEvent:A.c,BackgroundFetchedEvent:A.c,BeforeInstallPromptEvent:A.c,BeforeUnloadEvent:A.c,BlobEvent:A.c,CanMakePaymentEvent:A.c,ClipboardEvent:A.c,CompositionEvent:A.c,CustomEvent:A.c,DeviceMotionEvent:A.c,DeviceOrientationEvent:A.c,ErrorEvent:A.c,ExtendableEvent:A.c,ExtendableMessageEvent:A.c,FetchEvent:A.c,FocusEvent:A.c,FontFaceSetLoadEvent:A.c,ForeignFetchEvent:A.c,GamepadEvent:A.c,HashChangeEvent:A.c,InstallEvent:A.c,KeyboardEvent:A.c,MediaEncryptedEvent:A.c,MediaKeyMessageEvent:A.c,MediaQueryListEvent:A.c,MediaStreamEvent:A.c,MediaStreamTrackEvent:A.c,MIDIConnectionEvent:A.c,MIDIMessageEvent:A.c,MouseEvent:A.c,DragEvent:A.c,MutationEvent:A.c,NotificationEvent:A.c,PageTransitionEvent:A.c,PaymentRequestEvent:A.c,PaymentRequestUpdateEvent:A.c,PointerEvent:A.c,PopStateEvent:A.c,PresentationConnectionAvailableEvent:A.c,PresentationConnectionCloseEvent:A.c,PromiseRejectionEvent:A.c,PushEvent:A.c,RTCDataChannelEvent:A.c,RTCDTMFToneChangeEvent:A.c,RTCPeerConnectionIceEvent:A.c,RTCTrackEvent:A.c,SecurityPolicyViolationEvent:A.c,SensorErrorEvent:A.c,SpeechRecognitionError:A.c,SpeechRecognitionEvent:A.c,SpeechSynthesisEvent:A.c,StorageEvent:A.c,SyncEvent:A.c,TextEvent:A.c,TouchEvent:A.c,TrackEvent:A.c,TransitionEvent:A.c,WebKitTransitionEvent:A.c,UIEvent:A.c,VRDeviceEvent:A.c,VRDisplayEvent:A.c,VRSessionEvent:A.c,WheelEvent:A.c,MojoInterfaceRequestEvent:A.c,USBConnectionEvent:A.c,IDBVersionChangeEvent:A.c,AudioProcessingEvent:A.c,OfflineAudioCompletionEvent:A.c,WebGLContextEvent:A.c,Event:A.c,InputEvent:A.c,SubmitEvent:A.c,EventSource:A.eJ,MessagePort:A.d1,EventTarget:A.d1,XMLHttpRequest:A.bU,XMLHttpRequestEventTarget:A.eM,MessageEvent:A.b6,ProgressEvent:A.aU,ResourceProgressEvent:A.aU,WebSocket:A.dz,Window:A.dA,DOMWindow:A.dA})
 hunkHelpers.setOrUpdateLeafTags({Blob:true,DOMError:true,File:true,MediaError:true,NavigatorUserMediaError:true,OverconstrainedError:true,PositionError:true,GeolocationPositionError:true,ArrayBuffer:true,ArrayBufferView:false,DataView:true,Float32Array:true,Float64Array:true,Int16Array:true,Int32Array:true,Int8Array:true,Uint16Array:true,Uint32Array:true,Uint8ClampedArray:true,CanvasPixelArray:true,Uint8Array:false,CloseEvent:true,DOMException:true,AbortPaymentEvent:true,AnimationEvent:true,AnimationPlaybackEvent:true,ApplicationCacheErrorEvent:true,BackgroundFetchClickEvent:true,BackgroundFetchEvent:true,BackgroundFetchFailEvent:true,BackgroundFetchedEvent:true,BeforeInstallPromptEvent:true,BeforeUnloadEvent:true,BlobEvent:true,CanMakePaymentEvent:true,ClipboardEvent:true,CompositionEvent:true,CustomEvent:true,DeviceMotionEvent:true,DeviceOrientationEvent:true,ErrorEvent:true,ExtendableEvent:true,ExtendableMessageEvent:true,FetchEvent:true,FocusEvent:true,FontFaceSetLoadEvent:true,ForeignFetchEvent:true,GamepadEvent:true,HashChangeEvent:true,InstallEvent:true,KeyboardEvent:true,MediaEncryptedEvent:true,MediaKeyMessageEvent:true,MediaQueryListEvent:true,MediaStreamEvent:true,MediaStreamTrackEvent:true,MIDIConnectionEvent:true,MIDIMessageEvent:true,MouseEvent:true,DragEvent:true,MutationEvent:true,NotificationEvent:true,PageTransitionEvent:true,PaymentRequestEvent:true,PaymentRequestUpdateEvent:true,PointerEvent:true,PopStateEvent:true,PresentationConnectionAvailableEvent:true,PresentationConnectionCloseEvent:true,PromiseRejectionEvent:true,PushEvent:true,RTCDataChannelEvent:true,RTCDTMFToneChangeEvent:true,RTCPeerConnectionIceEvent:true,RTCTrackEvent:true,SecurityPolicyViolationEvent:true,SensorErrorEvent:true,SpeechRecognitionError:true,SpeechRecognitionEvent:true,SpeechSynthesisEvent:true,StorageEvent:true,SyncEvent:true,TextEvent:true,TouchEvent:true,TrackEvent:true,TransitionEvent:true,WebKitTransitionEvent:true,UIEvent:true,VRDeviceEvent:true,VRDisplayEvent:true,VRSessionEvent:true,WheelEvent:true,MojoInterfaceRequestEvent:true,USBConnectionEvent:true,IDBVersionChangeEvent:true,AudioProcessingEvent:true,OfflineAudioCompletionEvent:true,WebGLContextEvent:true,Event:false,InputEvent:false,SubmitEvent:false,EventSource:true,MessagePort:true,EventTarget:false,XMLHttpRequest:true,XMLHttpRequestEventTarget:false,MessageEvent:true,ProgressEvent:true,ResourceProgressEvent:true,WebSocket:true,Window:true,DOMWindow:true})
-A.cp.$nativeSuperclassTag="ArrayBufferView"
-A.dO.$nativeSuperclassTag="ArrayBufferView"
-A.dP.$nativeSuperclassTag="ArrayBufferView"
-A.di.$nativeSuperclassTag="ArrayBufferView"
+A.cs.$nativeSuperclassTag="ArrayBufferView"
 A.dQ.$nativeSuperclassTag="ArrayBufferView"
 A.dR.$nativeSuperclassTag="ArrayBufferView"
-A.dj.$nativeSuperclassTag="ArrayBufferView"})()
+A.dk.$nativeSuperclassTag="ArrayBufferView"
+A.dS.$nativeSuperclassTag="ArrayBufferView"
+A.dT.$nativeSuperclassTag="ArrayBufferView"
+A.dl.$nativeSuperclassTag="ArrayBufferView"})()
 Function.prototype.$2=function(a,b){return this(a,b)}
 Function.prototype.$1=function(a){return this(a)}
 Function.prototype.$0=function(){return this()}
diff --git a/dwds/lib/src/debugging/debugger.dart b/dwds/lib/src/debugging/debugger.dart
index fd0792fd7..13b5cb26d 100644
--- a/dwds/lib/src/debugging/debugger.dart
+++ b/dwds/lib/src/debugging/debugger.dart
@@ -309,6 +309,10 @@ class Debugger extends Domain {
     }
   }
 
+  /// Returns Chrome script uri for Chrome script ID.
+  String _urlForScriptId(String scriptId) =>
+      _remoteDebugger.scripts[scriptId]?.url;
+
   /// Returns source [Location] for the paused event.
   ///
   /// If we do not have [Location] data for the embedded JS location, null is
@@ -316,8 +320,11 @@ class Debugger extends Domain {
   Future<Location> _sourceLocation(DebuggerPausedEvent e) {
     var frame = e.params['callFrames'][0];
     var location = frame['location'];
-    return _locations.locationForJs(
-        frame['url'] as String, (location['lineNumber'] as int) + 1);
+    var scriptId = location['scriptId'] as String;
+    var lineNumber = location['lineNumber'] as int;
+
+    var url = _urlForScriptId(scriptId);
+    return _locations.locationForJs(url, lineNumber + 1);
   }
 
   /// The variables visible in a frame in Dart protocol [BoundVariable] form.
@@ -448,10 +455,17 @@ class Debugger extends Domain {
     // Chrome is 0 based. Account for this.
     var line = location.lineNumber + 1;
     var column = location.columnNumber + 1;
+
+    var url = _urlForScriptId(location.scriptId);
+    if (url == null) {
+      logger.severe('Failed to create dart frame for ${frame.functionName}: '
+          'cannot find location for script ${location.scriptId}');
+    }
+
     // TODO(sdk/issues/37240) - ideally we look for an exact location instead
     // of the closest location on a given line.
     Location bestLocation;
-    for (var location in await _locations.locationsForUrl(frame.url)) {
+    for (var location in await _locations.locationsForUrl(url)) {
       if (location.jsLocation.line == line) {
         bestLocation ??= location;
         if ((location.jsLocation.column - column).abs() <
@@ -551,8 +565,14 @@ class Debugger extends Domain {
       // If we don't have source location continue stepping.
       if (_isStepping && (await _sourceLocation(e)) == null) {
         var frame = e.params['callFrames'][0];
-        var url = '${frame["url"]}';
         var scriptId = '${frame["location"]["scriptId"]}';
+
+        var url = _urlForScriptId(scriptId);
+        if (url == null) {
+          logger.severe('Stepping failed: '
+              'cannot find location for script $scriptId');
+        }
+
         // TODO(grouma) - In the future we should send all previously computed
         // skipLists.
         await _remoteDebugger.stepInto(params: {
diff --git a/dwds/lib/src/debugging/modules.dart b/dwds/lib/src/debugging/modules.dart
index 1b6c2097e..1b841eb67 100644
--- a/dwds/lib/src/debugging/modules.dart
+++ b/dwds/lib/src/debugging/modules.dart
@@ -20,9 +20,6 @@ class Modules {
   final _sourceToLibrary = <String, Uri>{};
   var _moduleMemoizer = AsyncMemoizer<void>();
 
-  // The Chrome script ID to corresponding module.
-  final _scriptIdToModule = <String, String>{};
-
   final Map<String, String> _libraryToModule = {};
 
   String _entrypoint;
@@ -43,9 +40,6 @@ class Modules {
     _entrypoint = entrypoint;
   }
 
-  /// Returns the module for the Chrome script ID.
-  String moduleForScriptId(String scriptId) => _scriptIdToModule[scriptId];
-
   /// Returns the containing module for the provided Dart server path.
   Future<String> moduleForSource(String serverPath) async {
     await _moduleMemoizer.runOnce(_initializeMapping);
diff --git a/dwds/lib/src/injected/client.js b/dwds/lib/src/injected/client.js
index c80003b97..05f649191 100644
--- a/dwds/lib/src/injected/client.js
+++ b/dwds/lib/src/injected/client.js
@@ -1,4 +1,4 @@
-// Generated by dart2js (NullSafetyMode.unsound, no-legacy-javascript, csp), the Dart to JavaScript compiler version: 2.16.1.
+// Generated by dart2js (NullSafetyMode.unsound, csp), the Dart to JavaScript compiler version: 2.17.0-266.0.dev.
 // The code supports the following hooks:
 // dartPrint(message):
 //    if this function is defined it is called instead of the Dart [print]
@@ -58,23 +58,6 @@
     }
     return false;
   }();
-  function setFunctionNamesIfNecessary(holders) {
-    function t() {
-    }
-    ;
-    if (typeof t.name == "string")
-      return;
-    for (var i = 0; i < holders.length; i++) {
-      var holder = holders[i];
-      var keys = Object.keys(holder);
-      for (var j = 0; j < keys.length; j++) {
-        var key = keys[j];
-        var f = holder[key];
-        if (typeof f == "function")
-          f.name = key;
-      }
-    }
-  }
   function inherit(cls, sup) {
     cls.prototype.constructor = cls;
     cls.prototype["$is" + cls.name] = cls;
@@ -245,7 +228,7 @@
           return installStaticTearOff(container, getterName, requiredParameterCount, optionalParameterDefaultValues, callNames, [name], funType, applyIndex);
         };
       };
-    return {inherit: inherit, inheritMany: inheritMany, mixin: mixinEasy, mixinHard: mixinHard, installStaticTearOff: installStaticTearOff, installInstanceTearOff: installInstanceTearOff, _instance_0u: mkInstance(0, 0, null, ["call$0"], 0), _instance_1u: mkInstance(0, 1, null, ["call$1"], 0), _instance_2u: mkInstance(0, 2, null, ["call$2"], 0), _instance_0i: mkInstance(1, 0, null, ["call$0"], 0), _instance_1i: mkInstance(1, 1, null, ["call$1"], 0), _instance_2i: mkInstance(1, 2, null, ["call$2"], 0), _static_0: mkStatic(0, null, ["call$0"], 0), _static_1: mkStatic(1, null, ["call$1"], 0), _static_2: mkStatic(2, null, ["call$2"], 0), makeConstList: makeConstList, lazy: lazy, lazyFinal: lazyFinal, lazyOld: lazyOld, updateHolder: updateHolder, convertToFastObject: convertToFastObject, setFunctionNamesIfNecessary: setFunctionNamesIfNecessary, updateTypes: updateTypes, setOrUpdateInterceptorsByTag: setOrUpdateInterceptorsByTag, setOrUpdateLeafTags: setOrUpdateLeafTags};
+    return {inherit: inherit, inheritMany: inheritMany, mixin: mixinEasy, mixinHard: mixinHard, installStaticTearOff: installStaticTearOff, installInstanceTearOff: installInstanceTearOff, _instance_0u: mkInstance(0, 0, null, ["call$0"], 0), _instance_1u: mkInstance(0, 1, null, ["call$1"], 0), _instance_2u: mkInstance(0, 2, null, ["call$2"], 0), _instance_0i: mkInstance(1, 0, null, ["call$0"], 0), _instance_1i: mkInstance(1, 1, null, ["call$1"], 0), _instance_2i: mkInstance(1, 2, null, ["call$2"], 0), _static_0: mkStatic(0, null, ["call$0"], 0), _static_1: mkStatic(1, null, ["call$1"], 0), _static_2: mkStatic(2, null, ["call$2"], 0), makeConstList: makeConstList, lazy: lazy, lazyFinal: lazyFinal, lazyOld: lazyOld, updateHolder: updateHolder, convertToFastObject: convertToFastObject, updateTypes: updateTypes, setOrUpdateInterceptorsByTag: setOrUpdateInterceptorsByTag, setOrUpdateLeafTags: setOrUpdateLeafTags};
   }();
   function initializeDeferredHunk(hunk) {
     typesOffset = init.types.length;
@@ -777,10 +760,8 @@
     Primitives_objectHashCode(object) {
       var hash,
         property = $.Primitives__identityHashCodeProperty;
-      if (property == null) {
-        property = Symbol("identityHashCode");
-        $.Primitives__identityHashCodeProperty = property;
-      }
+      if (property == null)
+        property = $.Primitives__identityHashCodeProperty = Symbol("identityHashCode");
       hash = object[property];
       if (hash == null) {
         hash = Math.random() * 0x3fffffff | 0;
@@ -943,15 +924,14 @@
       t1.argumentCount = positionalArguments.length;
       B.JSArray_methods.addAll$1($arguments, positionalArguments);
       t1.names = "";
-      if (namedArguments != null && !namedArguments.get$isEmpty(namedArguments))
+      if (namedArguments != null && namedArguments._length !== 0)
         namedArguments.forEach$1(0, new A.Primitives_functionNoSuchMethod_closure(t1, namedArgumentList, $arguments));
-      "" + t1.argumentCount;
       return J.noSuchMethod$1$($function, new A.JSInvocationMirror(B.Symbol_call, 0, $arguments, namedArgumentList, 0));
     },
     Primitives_applyFunction($function, positionalArguments, namedArguments) {
       var t1, argumentCount, jsStub;
       if (Array.isArray(positionalArguments))
-        t1 = namedArguments == null || namedArguments.get$isEmpty(namedArguments);
+        t1 = namedArguments == null || namedArguments._length === 0;
       else
         t1 = false;
       if (t1) {
@@ -998,14 +978,14 @@
       if (typeof jsFunction == "string")
         jsFunction = interceptor[jsFunction];
       if (t1) {
-        if (namedArguments != null && namedArguments.get$isNotEmpty(namedArguments))
+        if (namedArguments != null && namedArguments._length !== 0)
           return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
         if (argumentCount === requiredParameterCount)
           return jsFunction.apply($function, $arguments);
         return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
       }
       if (Array.isArray(defaultValues)) {
-        if (namedArguments != null && namedArguments.get$isNotEmpty(namedArguments))
+        if (namedArguments != null && namedArguments._length !== 0)
           return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
         maxArguments = requiredParameterCount + defaultValues.length;
         if (argumentCount > maxArguments)
@@ -1043,7 +1023,7 @@
               B.JSArray_methods.add$1($arguments, defaultValue);
             }
           }
-          if (used !== namedArguments.get$length(namedArguments))
+          if (used !== namedArguments._length)
             return A.Primitives_functionNoSuchMethod($function, $arguments, namedArguments);
         }
         return jsFunction.apply($function, $arguments);
@@ -1179,8 +1159,8 @@
               return A.saveStackTrace(ex, A.JsNoSuchMethodError$(A.S(message) + " (Error " + ieErrorCode + ")", _null));
             case 445:
             case 5007:
-              t1 = A.S(message) + " (Error " + ieErrorCode + ")";
-              return A.saveStackTrace(ex, new A.NullError(t1, _null));
+              t1 = A.S(message);
+              return A.saveStackTrace(ex, new A.NullError(t1 + " (Error " + ieErrorCode + ")", _null));
           }
       }
       if (ex instanceof TypeError) {
@@ -1498,11 +1478,11 @@
       }
     },
     Closure_forwardInterceptedCallTo(stubName, $function, needsDirectAccess) {
-      var receiverField, arity, t1,
-        interceptorField = $.BoundClosure__interceptorFieldNameCache;
-      interceptorField == null ? $.BoundClosure__interceptorFieldNameCache = A.BoundClosure__computeFieldNamed("interceptor") : interceptorField;
-      receiverField = $.BoundClosure__receiverFieldNameCache;
-      receiverField == null ? $.BoundClosure__receiverFieldNameCache = A.BoundClosure__computeFieldNamed("receiver") : receiverField;
+      var arity, t1;
+      if ($.BoundClosure__interceptorFieldNameCache == null)
+        $.BoundClosure__interceptorFieldNameCache = A.BoundClosure__computeFieldNamed("interceptor");
+      if ($.BoundClosure__receiverFieldNameCache == null)
+        $.BoundClosure__receiverFieldNameCache = A.BoundClosure__computeFieldNamed("receiver");
       arity = $function.length;
       t1 = A.Closure_cspForwardInterceptedCall(arity, needsDirectAccess, stubName, $function);
       return t1;
@@ -1544,6 +1524,11 @@
     getIsolateAffinityTag($name) {
       return init.getIsolateTag($name);
     },
+    LinkedHashMapKeyIterator$(_map, _modifications, $E) {
+      var t1 = new A.LinkedHashMapKeyIterator(_map, _modifications, $E._eval$1("LinkedHashMapKeyIterator<0>"));
+      t1._cell = _map._first;
+      return t1;
+    },
     defineProperty(obj, property, value) {
       Object.defineProperty(obj, property, {value: value, enumerable: false, writable: true, configurable: true});
     },
@@ -1721,9 +1706,7 @@
       return string;
     },
     stringReplaceRangeUnchecked(receiver, start, end, replacement) {
-      var prefix = receiver.substring(0, start),
-        suffix = receiver.substring(end);
-      return prefix + replacement + suffix;
+      return receiver.substring(0, start) + replacement + receiver.substring(end);
     },
     ConstantMapView: function ConstantMapView(t0, t1) {
       this._collection$_map = t0;
@@ -1738,7 +1721,7 @@
     },
     ConstantStringMap: function ConstantStringMap(t0, t1, t2, t3) {
       var _ = this;
-      _.__js_helper$_length = t0;
+      _._length = t0;
       _._jsObject = t1;
       _.__js_helper$_keys = t2;
       _.$ti = t3;
@@ -1816,7 +1799,7 @@
     },
     JsLinkedHashMap: function JsLinkedHashMap(t0) {
       var _ = this;
-      _.__js_helper$_length = 0;
+      _._length = 0;
       _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
       _._modifications = 0;
       _.$ti = t0;
@@ -1911,10 +1894,6 @@
       this.__late_helper$_name = t0;
       this.__late_helper$_value = null;
     },
-    _checkViewArguments(buffer, offsetInBytes, $length) {
-      if (!A._isInt(offsetInBytes))
-        throw A.wrapException(A.ArgumentError$("Invalid view offsetInBytes " + A.S(offsetInBytes), null));
-    },
     _ensureNativeList(list) {
       return list;
     },
@@ -1922,7 +1901,8 @@
       return new Int8Array(arg);
     },
     NativeUint8List_NativeUint8List$view(buffer, offsetInBytes, $length) {
-      A._checkViewArguments(buffer, offsetInBytes, $length);
+      if (!A._isInt(offsetInBytes))
+        A.throwExpression(A.ArgumentError$("Invalid view offsetInBytes " + A.S(offsetInBytes), null));
       return $length == null ? new Uint8Array(buffer, offsetInBytes) : new Uint8Array(buffer, offsetInBytes, $length);
     },
     _checkValidIndex(index, list, $length) {
@@ -2344,9 +2324,8 @@
       throw A.wrapException(A._TypeError$fromMessage("The type argument '" + A.S(A._rtiToString(type, _null)) + "' is not a subtype of the type variable bound '" + A.S(A._rtiToString(bound, _null)) + "' of type variable '" + A.S(variable) + "' in '" + A.S(methodName) + "'."));
     },
     _Error_compose(object, objectRti, checkedTypeDescription) {
-      var objectDescription = A.Error_safeToString(object),
-        objectTypeDescription = A._rtiToString(objectRti == null ? A.instanceType(object) : objectRti, null);
-      return objectDescription + ": type '" + A.S(objectTypeDescription) + "' is not a subtype of type '" + A.S(checkedTypeDescription) + "'";
+      var objectDescription = A.Error_safeToString(object);
+      return objectDescription + ": type '" + A.S(A._rtiToString(objectRti == null ? A.instanceType(object) : objectRti, null)) + "' is not a subtype of type '" + A.S(checkedTypeDescription) + "'";
     },
     _TypeError$fromMessage(message) {
       return new A._TypeError("TypeError: " + message);
@@ -2498,12 +2477,11 @@
         for (i = boundsLength; i > 0; --i)
           B.JSArray_methods.add$1(genericContext, "T" + (offset + i));
         for (t1 = type$.nullable_Object, t2 = type$.legacy_Object, t3 = type$.Object, typeParametersText = "<", typeSep = "", i = 0; i < boundsLength; ++i, typeSep = _s2_) {
-          typeParametersText += typeSep;
           t4 = genericContext.length;
           t5 = t4 - 1 - i;
           if (!(t5 >= 0))
             return A.ioore(genericContext, t5);
-          typeParametersText = B.JSString_methods.$add(typeParametersText, genericContext[t5]);
+          typeParametersText = B.JSString_methods.$add(typeParametersText + typeSep, genericContext[t5]);
           boundRti = bounds[i];
           kind = boundRti._kind;
           if (!(kind === 2 || kind === 3 || kind === 4 || kind === 5 || boundRti === t1))
@@ -2544,7 +2522,7 @@
           argumentsText += sep;
           if (named[i + 1])
             argumentsText += "required ";
-          argumentsText += J.$add$ansx(A._rtiToString(named[i + 2], genericContext), " ") + named[i];
+          argumentsText += J.$add$ns(A._rtiToString(named[i + 2], genericContext), " ") + named[i];
         }
         argumentsText += "}";
       }
@@ -2575,7 +2553,7 @@
         questionArgument = rti._primary;
         s = A._rtiToString(questionArgument, genericContext);
         argumentKind = questionArgument._kind;
-        return J.$add$ansx(argumentKind === 11 || argumentKind === 12 ? B.JSString_methods.$add("(", s) + ")" : s, "?");
+        return J.$add$ns(argumentKind === 11 || argumentKind === 12 ? B.JSString_methods.$add("(", s) + ")" : s, "?");
       }
       if (kind === 8)
         return "FutureOr<" + A.S(A._rtiToString(rti._primary, genericContext)) + ">";
@@ -2812,13 +2790,12 @@
       return s;
     },
     _Universe__canonicalRecipeJoinNamed($arguments) {
-      var s, sep, i, t1, nameSep, s0,
+      var s, sep, i, t1, nameSep,
         $length = $arguments.length;
       for (s = "", sep = "", i = 0; i < $length; i += 3, sep = ",") {
         t1 = $arguments[i];
         nameSep = $arguments[i + 1] ? "!" : ":";
-        s0 = $arguments[i + 2]._canonicalRecipe;
-        s += sep + t1 + nameSep + s0;
+        s += sep + t1 + nameSep + $arguments[i + 2]._canonicalRecipe;
       }
       return s;
     },
@@ -2864,7 +2841,7 @@
       return t1;
     },
     _Universe__lookupFunctionRti(universe, returnType, parameters) {
-      var sep, t1, key, probe, rti,
+      var sep, key, probe, rti, t1,
         s = returnType._canonicalRecipe,
         requiredPositional = parameters._requiredPositional,
         requiredPositionalLength = requiredPositional.length,
@@ -2875,13 +2852,11 @@
         recipe = "(" + A._Universe__canonicalRecipeJoin(requiredPositional);
       if (optionalPositionalLength > 0) {
         sep = requiredPositionalLength > 0 ? "," : "";
-        t1 = A._Universe__canonicalRecipeJoin(optionalPositional);
-        recipe += sep + "[" + t1 + "]";
+        recipe += sep + "[" + A._Universe__canonicalRecipeJoin(optionalPositional) + "]";
       }
       if (namedLength > 0) {
         sep = requiredPositionalLength > 0 ? "," : "";
-        t1 = A._Universe__canonicalRecipeJoinNamed(named);
-        recipe += sep + "{" + t1 + "}";
+        recipe += sep + "{" + A._Universe__canonicalRecipeJoinNamed(named) + "}";
       }
       key = s + (recipe + ")");
       probe = universe.eC.get(key);
@@ -4685,19 +4660,12 @@
       _._collection$_current = null;
       _.$ti = t2;
     },
-    _LinkedIdentityHashMap: function _LinkedIdentityHashMap(t0) {
-      var _ = this;
-      _.__js_helper$_length = 0;
-      _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
-      _._modifications = 0;
-      _.$ti = t0;
-    },
     _LinkedCustomHashMap: function _LinkedCustomHashMap(t0, t1, t2, t3) {
       var _ = this;
       _._equals = t0;
       _._hashCode = t1;
       _._validKey = t2;
-      _.__js_helper$_length = 0;
+      _._length = 0;
       _._last = _._first = _.__js_helper$_rest = _._nums = _._strings = null;
       _._modifications = 0;
       _.$ti = t3;
@@ -4956,7 +4924,7 @@
     Expando__checkType(object) {
       var t1 = typeof object == "number" || false;
       if (t1)
-        throw A.wrapException(A.ArgumentError$value(object, string$.Expand, null));
+        throw A.wrapException(A.ArgumentError$value(object, "Expandos are not allowed on strings, numbers, booleans or null", null));
     },
     int_parse(source, radix) {
       var value = A.Primitives_parseInt(source, radix);
@@ -5321,11 +5289,11 @@
           return A.ioore(xDigits, i);
         digit = xDigits[i];
         t3 = i + digitShift + 1;
-        t4 = B.JSInt_methods._shrReceiverPositive$1(digit, carryBitShift);
+        t4 = B.JSInt_methods.$shr(digit, carryBitShift);
         if (!(t3 >= 0 && t3 < t2))
           return A.ioore(resultDigits, t3);
         resultDigits[t3] = (t4 | carry) >>> 0;
-        carry = B.JSInt_methods.$shl(digit & bitMask, bitShift);
+        carry = B.JSInt_methods.$shl((digit & bitMask) >>> 0, bitShift);
       }
       if (!(digitShift >= 0 && digitShift < t2))
         return A.ioore(resultDigits, digitShift);
@@ -5359,18 +5327,18 @@
         t1 = xDigits.length;
       if (!(digitsShift >= 0 && digitsShift < t1))
         return A.ioore(xDigits, digitsShift);
-      carry = B.JSInt_methods._shrReceiverPositive$1(xDigits[digitsShift], bitShift);
+      carry = B.JSInt_methods.$shr(xDigits[digitsShift], bitShift);
       last = xUsed - digitsShift - 1;
       for (t2 = resultDigits.length, i = 0; i < last; ++i) {
         t3 = i + digitsShift + 1;
         if (!(t3 < t1))
           return A.ioore(xDigits, t3);
         digit = xDigits[t3];
-        t3 = B.JSInt_methods.$shl(digit & bitMask, carryBitShift);
+        t3 = B.JSInt_methods.$shl((digit & bitMask) >>> 0, carryBitShift);
         if (!(i < t2))
           return A.ioore(resultDigits, i);
         resultDigits[i] = (t3 | carry) >>> 0;
-        carry = B.JSInt_methods._shrReceiverPositive$1(digit, bitShift);
+        carry = B.JSInt_methods.$shr(digit, bitShift);
       }
       if (!(last >= 0 && last < t2))
         return A.ioore(resultDigits, last);
@@ -5404,7 +5372,7 @@
         if (!(i < t3))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
-        carry = carry >>> 16;
+        carry = B.JSInt_methods._shrOtherPositive$1(carry, 16);
       }
       for (i = otherUsed; i < used; ++i) {
         if (!(i >= 0 && i < t1))
@@ -5413,7 +5381,7 @@
         if (!(i < t3))
           return A.ioore(resultDigits, i);
         resultDigits[i] = carry & 65535;
-        carry = carry >>> 16;
+        carry = B.JSInt_methods._shrOtherPositive$1(carry, 16);
       }
       if (!(used >= 0 && used < t3))
         return A.ioore(resultDigits, used);
@@ -5891,23 +5859,6 @@
         return 443;
       return 0;
     },
-    _Uri__compareScheme(scheme, uri) {
-      var t1, i, schemeChar, uriChar, delta, lowerChar;
-      for (t1 = scheme.length, i = 0; i < t1; ++i) {
-        schemeChar = B.JSString_methods._codeUnitAt$1(scheme, i);
-        uriChar = B.JSString_methods._codeUnitAt$1(uri, i);
-        delta = schemeChar ^ uriChar;
-        if (delta !== 0) {
-          if (delta === 32) {
-            lowerChar = uriChar | delta;
-            if (97 <= lowerChar && lowerChar <= 122)
-              continue;
-          }
-          return false;
-        }
-      }
-      return true;
-    },
     _Uri__fail(uri, index, message) {
       throw A.wrapException(A.FormatException$(message, uri, index));
     },
@@ -6275,7 +6226,7 @@
       return t1 == null ? B.JSString_methods.substring$2(component, start, end) : t1;
     },
     _Uri__normalize(component, start, end, charTable, escapeDelimiters) {
-      var t1, index, sectionStart, buffer, char, t2, replacement, sourceLength, tail, _null = null;
+      var t1, index, sectionStart, buffer, char, t2, replacement, sourceLength, tail, t3, _null = null;
       for (t1 = !escapeDelimiters, index = start, sectionStart = index, buffer = _null; index < end;) {
         char = B.JSString_methods.codeUnitAt$1(component, index);
         if (char < 127) {
@@ -6337,8 +6288,8 @@
             t2 = buffer;
           } else
             t2 = buffer;
-          t2._contents += B.JSString_methods.substring$2(component, sectionStart, index);
-          t2._contents += A.S(replacement);
+          t3 = t2._contents += B.JSString_methods.substring$2(component, sectionStart, index);
+          t2._contents = t3 + A.S(replacement);
           if (typeof sourceLength !== "number")
             return A.iae(sourceLength);
           index += sourceLength;
@@ -6650,6 +6601,25 @@
       }
       return state;
     },
+    _caseInsensitiveCompareStart(prefix, string, start) {
+      var t1, result, i, prefixChar, stringChar, delta, lowerChar;
+      for (t1 = prefix.length, result = 0, i = 0; i < t1; ++i) {
+        prefixChar = B.JSString_methods._codeUnitAt$1(prefix, i);
+        stringChar = B.JSString_methods._codeUnitAt$1(string, start + i);
+        delta = prefixChar ^ stringChar;
+        if (delta !== 0) {
+          if (delta === 32) {
+            lowerChar = stringChar | delta;
+            if (97 <= lowerChar && lowerChar <= 122) {
+              result = 32;
+              continue;
+            }
+          }
+          return -1;
+        }
+      }
+      return result;
+    },
     _symbolMapToStringMap_closure: function _symbolMapToStringMap_closure(t0) {
       this.result = t0;
     },
@@ -6742,10 +6712,6 @@
     },
     IntegerDivisionByZeroException: function IntegerDivisionByZeroException() {
     },
-    Expando: function Expando(t0, t1) {
-      this._jsWeakMap = t0;
-      this.$ti = t1;
-    },
     Iterable: function Iterable() {
     },
     Iterator: function Iterator() {
@@ -6818,6 +6784,10 @@
       _._fragment = t6;
       _.___Uri_hashCode = _.___Uri_pathSegments = _.___Uri__text = $;
     },
+    Expando: function Expando(t0, t1) {
+      this._jsWeakMap = t0;
+      this.$ti = t1;
+    },
     CustomEvent_CustomEvent(type) {
       var exception,
         canBubble = true,
@@ -7228,7 +7198,7 @@
     FixedSizeListIterator: function FixedSizeListIterator(t0, t1, t2) {
       var _ = this;
       _._array = t0;
-      _._length = t1;
+      _._html$_length = t1;
       _._position = -1;
       _._current = null;
       _.$ti = t2;
@@ -8645,7 +8615,7 @@
       var _ = this;
       _._webSocket = t0;
       _._localCloseReason = _._localCloseCode = null;
-      _._html$_controller = t1;
+      _._html0$_controller = t1;
       _.__HtmlWebSocketChannel_sink = $;
     },
     HtmlWebSocketChannel_closure: function HtmlWebSocketChannel_closure(t0) {
@@ -8664,7 +8634,7 @@
       this.$this = t0;
     },
     _HtmlWebSocketSink: function _HtmlWebSocketSink(t0, t1) {
-      this._html$_channel = t0;
+      this._html0$_channel = t0;
       this._sink = t1;
     },
     WebSocketChannel: function WebSocketChannel(t0) {
@@ -8983,24 +8953,6 @@
         return receiver;
       return J.getNativeInterceptor(receiver);
     },
-    getInterceptor$ansx(receiver) {
-      if (typeof receiver == "number")
-        return J.JSNumber.prototype;
-      if (typeof receiver == "string")
-        return J.JSString.prototype;
-      if (receiver == null)
-        return receiver;
-      if (receiver.constructor == Array)
-        return J.JSArray.prototype;
-      if (typeof receiver != "object") {
-        if (typeof receiver == "function")
-          return J.JavaScriptFunction.prototype;
-        return receiver;
-      }
-      if (receiver instanceof A.Object)
-        return receiver;
-      return J.getNativeInterceptor(receiver);
-    },
     getInterceptor$asx(receiver) {
       if (typeof receiver == "string")
         return J.JSString.prototype;
@@ -9031,15 +8983,6 @@
         return receiver;
       return J.getNativeInterceptor(receiver);
     },
-    getInterceptor$n(receiver) {
-      if (typeof receiver == "number")
-        return J.JSNumber.prototype;
-      if (receiver == null)
-        return receiver;
-      if (!(receiver instanceof A.Object))
-        return J.UnknownJavaScriptObject.prototype;
-      return receiver;
-    },
     getInterceptor$ns(receiver) {
       if (typeof receiver == "number")
         return J.JSNumber.prototype;
@@ -9121,10 +9064,10 @@
     get$runtimeType$(receiver) {
       return J.getInterceptor$(receiver).get$runtimeType(receiver);
     },
-    $add$ansx(receiver, a0) {
+    $add$ns(receiver, a0) {
       if (typeof receiver == "number" && typeof a0 == "number")
         return receiver + a0;
-      return J.getInterceptor$ansx(receiver).$add(receiver, a0);
+      return J.getInterceptor$ns(receiver).$add(receiver, a0);
     },
     $eq$(receiver, a0) {
       if (receiver == null)
@@ -9146,11 +9089,6 @@
     $indexSet$ax(receiver, a0, a1) {
       return J.getInterceptor$ax(receiver).$indexSet(receiver, a0, a1);
     },
-    $sub$n(receiver, a0) {
-      if (typeof receiver == "number" && typeof a0 == "number")
-        return receiver - a0;
-      return J.getInterceptor$n(receiver).$sub(receiver, a0);
-    },
     _clearChildren$0$x(receiver) {
       return J.getInterceptor$x(receiver)._clearChildren$0(receiver);
     },
@@ -9303,7 +9241,6 @@
   },
   B = {};
   var holders = [A, J, B];
-  hunkHelpers.setFunctionNamesIfNecessary(holders);
   var $ = {};
   A.JS_CONST.prototype = {};
   J.Interceptor.prototype = {
@@ -9618,13 +9555,6 @@
         throw A.wrapException(A.diagnoseIndexError(receiver, index));
       receiver[index] = value;
     },
-    $add(receiver, other) {
-      var t1 = A._arrayInstanceType(receiver);
-      t1._eval$1("List<1>")._as(other);
-      t1 = A.List_List$of(receiver, true, t1._precomputed1);
-      this.addAll$1(t1, other);
-      return t1;
-    },
     $isEfficientLengthIterable: 1,
     $isIterable: 1,
     $isList: 1
@@ -9761,17 +9691,6 @@
       scaled = absolute < 1 ? absolute / factor : factor / absolute;
       return ((scaled * 9007199254740992 | 0) + (scaled * 3542243181176521 | 0)) * 599197 + floorLog2 * 1259 & 536870911;
     },
-    $add(receiver, other) {
-      if (typeof other != "number")
-        throw A.wrapException(A.argumentErrorValue(other));
-      return receiver + other;
-    },
-    $sub(receiver, other) {
-      A._asNumS(other);
-      if (typeof other != "number")
-        throw A.wrapException(A.argumentErrorValue(other));
-      return receiver - other;
-    },
     $mod(receiver, other) {
       var result = receiver % other;
       if (result === 0)
@@ -9808,6 +9727,18 @@
     _shlPositive$1(receiver, other) {
       return other > 31 ? 0 : receiver << other >>> 0;
     },
+    $shr(receiver, other) {
+      var t1;
+      if (other < 0)
+        throw A.wrapException(A.argumentErrorValue(other));
+      if (receiver > 0)
+        t1 = this._shrBothPositive$1(receiver, other);
+      else {
+        t1 = other > 31 ? 31 : other;
+        t1 = receiver >> t1 >>> 0;
+      }
+      return t1;
+    },
     _shrOtherPositive$1(receiver, other) {
       var t1;
       if (receiver > 0)
@@ -9901,7 +9832,6 @@
       return new A.StringMatch(start, receiver);
     },
     $add(receiver, other) {
-      A._asStringS(other);
       if (typeof other != "string")
         throw A.wrapException(A.ArgumentError$value(other, null, null));
       return receiver + other;
@@ -10019,11 +9949,6 @@
     get$length(receiver) {
       return receiver.length;
     },
-    $index(receiver, index) {
-      if (index >= receiver.length)
-        throw A.wrapException(A.diagnoseIndexError(receiver, index));
-      return receiver[index];
-    },
     $isComparable: 1,
     $isPattern: 1,
     $isString: 1
@@ -10184,14 +10109,12 @@
   };
   A.LateError.prototype = {
     toString$0(_) {
-      var t1 = "LateInitializationError: " + this._message;
-      return t1;
+      return "LateInitializationError: " + this._message;
     }
   };
   A.ReachabilityError.prototype = {
     toString$0(_) {
-      var t1 = "ReachabilityError: " + this._message;
-      return t1;
+      return "ReachabilityError: " + this._message;
     }
   };
   A.nullFuture_closure.prototype = {
@@ -10614,7 +10537,7 @@
   };
   A.ConstantStringMap.prototype = {
     get$length(_) {
-      return this.__js_helper$_length;
+      return this._length;
     },
     containsKey$1(_, key) {
       if (typeof key != "string")
@@ -10837,13 +10760,10 @@
   A._Required.prototype = {};
   A.JsLinkedHashMap.prototype = {
     get$length(_) {
-      return this.__js_helper$_length;
+      return this._length;
     },
     get$isEmpty(_) {
-      return this.__js_helper$_length === 0;
-    },
-    get$isNotEmpty(_) {
-      return !this.get$isEmpty(this);
+      return this._length === 0;
     },
     get$keys(_) {
       return new A.LinkedHashMapKeyIterable(this, A._instanceType(this)._eval$1("LinkedHashMapKeyIterable<1>"));
@@ -10854,48 +10774,47 @@
         strings = this._strings;
         if (strings == null)
           return false;
-        return this._containsTableEntry$2(strings, key);
+        return strings[key] != null;
       } else {
         t1 = this.internalContainsKey$1(key);
         return t1;
       }
     },
     internalContainsKey$1(key) {
-      var _this = this,
-        rest = _this.__js_helper$_rest;
+      var rest = this.__js_helper$_rest;
       if (rest == null)
         return false;
-      return _this.internalFindBucketIndex$2(_this._getTableBucket$2(rest, _this.internalComputeHashCode$1(key)), key) >= 0;
+      return this.internalFindBucketIndex$2(rest[this.internalComputeHashCode$1(key)], key) >= 0;
     },
     addAll$1(_, other) {
       A._instanceType(this)._eval$1("Map<1,2>")._as(other).forEach$1(0, new A.JsLinkedHashMap_addAll_closure(this));
     },
     $index(_, key) {
-      var strings, cell, t1, nums, _this = this, _null = null;
+      var strings, cell, t1, nums, _null = null;
       if (typeof key == "string") {
-        strings = _this._strings;
+        strings = this._strings;
         if (strings == null)
           return _null;
-        cell = _this._getTableCell$2(strings, key);
+        cell = strings[key];
         t1 = cell == null ? _null : cell.hashMapCellValue;
         return t1;
-      } else if (typeof key == "number" && (key & 0x3ffffff) === key) {
-        nums = _this._nums;
+      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
+        nums = this._nums;
         if (nums == null)
           return _null;
-        cell = _this._getTableCell$2(nums, key);
+        cell = nums[key];
         t1 = cell == null ? _null : cell.hashMapCellValue;
         return t1;
       } else
-        return _this.internalGet$1(key);
+        return this.internalGet$1(key);
     },
     internalGet$1(key) {
-      var bucket, index, _this = this,
-        rest = _this.__js_helper$_rest;
+      var bucket, index,
+        rest = this.__js_helper$_rest;
       if (rest == null)
         return null;
-      bucket = _this._getTableBucket$2(rest, _this.internalComputeHashCode$1(key));
-      index = _this.internalFindBucketIndex$2(bucket, key);
+      bucket = rest[this.internalComputeHashCode$1(key)];
+      index = this.internalFindBucketIndex$2(bucket, key);
       if (index < 0)
         return null;
       return bucket[index].hashMapCellValue;
@@ -10908,7 +10827,7 @@
       if (typeof key == "string") {
         strings = _this._strings;
         _this._addHashTableEntry$3(strings == null ? _this._strings = _this._newHashTable$0() : strings, key, value);
-      } else if (typeof key == "number" && (key & 0x3ffffff) === key) {
+      } else if (typeof key == "number" && (key & 0x3fffffff) === key) {
         nums = _this._nums;
         _this._addHashTableEntry$3(nums == null ? _this._nums = _this._newHashTable$0() : nums, key, value);
       } else
@@ -10923,9 +10842,9 @@
       if (rest == null)
         rest = _this.__js_helper$_rest = _this._newHashTable$0();
       hash = _this.internalComputeHashCode$1(key);
-      bucket = _this._getTableBucket$2(rest, hash);
+      bucket = rest[hash];
       if (bucket == null)
-        _this._setTableEntry$3(rest, hash, [_this._newLinkedCell$2(key, value)]);
+        rest[hash] = [_this._newLinkedCell$2(key, value)];
       else {
         index = _this.internalFindBucketIndex$2(bucket, key);
         if (index >= 0)
@@ -10949,7 +10868,7 @@
       var _this = this;
       if (typeof key == "string")
         return _this._removeHashTableEntry$2(_this._strings, key);
-      else if (typeof key == "number" && (key & 0x3ffffff) === key)
+      else if (typeof key == "number" && (key & 0x3fffffff) === key)
         return _this._removeHashTableEntry$2(_this._nums, key);
       else
         return _this.internalRemove$1(key);
@@ -10960,14 +10879,14 @@
       if (rest == null)
         return null;
       hash = _this.internalComputeHashCode$1(key);
-      bucket = _this._getTableBucket$2(rest, hash);
+      bucket = rest[hash];
       index = _this.internalFindBucketIndex$2(bucket, key);
       if (index < 0)
         return null;
       cell = bucket.splice(index, 1)[0];
       _this._unlinkCell$1(cell);
       if (bucket.length === 0)
-        _this._deleteTableEntry$2(rest, hash);
+        delete rest[hash];
       return cell.hashMapCellValue;
     },
     forEach$1(_, action) {
@@ -10983,13 +10902,13 @@
       }
     },
     _addHashTableEntry$3(table, key, value) {
-      var cell, _this = this,
-        t1 = A._instanceType(_this);
+      var cell,
+        t1 = A._instanceType(this);
       t1._precomputed1._as(key);
       t1._rest[1]._as(value);
-      cell = _this._getTableCell$2(table, key);
+      cell = table[key];
       if (cell == null)
-        _this._setTableEntry$3(table, key, _this._newLinkedCell$2(key, value));
+        table[key] = this._newLinkedCell$2(key, value);
       else
         cell.hashMapCellValue = value;
     },
@@ -10997,15 +10916,15 @@
       var cell;
       if (table == null)
         return null;
-      cell = this._getTableCell$2(table, key);
+      cell = table[key];
       if (cell == null)
         return null;
       this._unlinkCell$1(cell);
-      this._deleteTableEntry$2(table, key);
+      delete table[key];
       return cell.hashMapCellValue;
     },
     _modified$0() {
-      this._modifications = this._modifications + 1 & 67108863;
+      this._modifications = this._modifications + 1 & 1073741823;
     },
     _newLinkedCell$2(key, value) {
       var _this = this,
@@ -11019,7 +10938,7 @@
         cell._previous = t1;
         _this._last = t1._next = cell;
       }
-      ++_this.__js_helper$_length;
+      ++_this._length;
       _this._modified$0();
       return cell;
     },
@@ -11035,11 +10954,11 @@
         _this._last = previous;
       else
         next._previous = previous;
-      --_this.__js_helper$_length;
+      --_this._length;
       _this._modified$0();
     },
     internalComputeHashCode$1(key) {
-      return J.get$hashCode$(key) & 0x3ffffff;
+      return J.get$hashCode$(key) & 0x3fffffff;
     },
     internalFindBucketIndex$2(bucket, key) {
       var $length, i;
@@ -11054,26 +10973,10 @@
     toString$0(_) {
       return A.MapBase_mapToString(this);
     },
-    _getTableCell$2(table, key) {
-      return table[key];
-    },
-    _getTableBucket$2(table, key) {
-      return table[key];
-    },
-    _setTableEntry$3(table, key, value) {
-      table[key] = value;
-    },
-    _deleteTableEntry$2(table, key) {
-      delete table[key];
-    },
-    _containsTableEntry$2(table, key) {
-      return this._getTableCell$2(table, key) != null;
-    },
     _newHashTable$0() {
-      var _s20_ = "<non-identifier-key>",
-        table = Object.create(null);
-      this._setTableEntry$3(table, _s20_, table);
-      this._deleteTableEntry$2(table, _s20_);
+      var table = Object.create(null);
+      table["<non-identifier-key>"] = table;
+      delete table["<non-identifier-key>"];
       return table;
     },
     $isLinkedHashMap: 1
@@ -11091,10 +10994,10 @@
   A.LinkedHashMapCell.prototype = {};
   A.LinkedHashMapKeyIterable.prototype = {
     get$length(_) {
-      return this._map.__js_helper$_length;
+      return this._map._length;
     },
     get$isEmpty(_) {
-      return this._map.__js_helper$_length === 0;
+      return this._map._length === 0;
     },
     get$iterator(_) {
       var t1 = this._map,
@@ -11221,12 +11124,6 @@
       var t1 = this._match;
       return t1.index + t1[0].length;
     },
-    $index(_, index) {
-      var t1 = this._match;
-      if (!(index < t1.length))
-        return A.ioore(t1, index);
-      return t1[index];
-    },
     $isMatch: 1,
     $isRegExpMatch: 1
   };
@@ -11278,14 +11175,7 @@
     },
     $isIterator: 1
   };
-  A.StringMatch.prototype = {
-    $index(_, g) {
-      if (g !== 0)
-        A.throwExpression(A.RangeError$value(g, null));
-      return this.pattern;
-    },
-    $isMatch: 1
-  };
+  A.StringMatch.prototype = {$isMatch: 1};
   A._StringAllMatchesIterable.prototype = {
     get$iterator(_) {
       return new A._StringAllMatchesIterator(this._input, this._pattern, this.__js_helper$_index);
@@ -11805,7 +11695,7 @@
         t1 = this.$ti;
       t1._bind$1($E)._eval$1("1/(2)")._as(f);
       result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
-      this._addListener$1(new A._FutureListener(result, 19, f, onError, t1._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
+      this._addListener$1(new A._FutureListener(result, 3, f, onError, t1._eval$1("@<1>")._bind$1($E)._eval$1("_FutureListener<1,2>")));
       return result;
     },
     catchError$1(onError) {
@@ -12531,7 +12421,7 @@
       var result, t1 = {};
       $E._eval$1("0?")._as(futureValue);
       t1.resultValue = null;
-      t1.resultValue = $E._as(futureValue);
+      t1.resultValue = futureValue;
       result = new A._Future($.Zone__current, $E._eval$1("_Future<0>"));
       this.set$_onDone(new A._BufferingStreamSubscription_asFuture_closure(t1, result));
       this._onError = new A._BufferingStreamSubscription_asFuture_closure0(this, result);
@@ -13056,17 +12946,6 @@
     bindUnaryCallbackGuarded$1$1(f, $T) {
       return new A._CustomZone_bindUnaryCallbackGuarded_closure(this, this.registerUnaryCallback$2$1($T._eval$1("~(0)")._as(f), type$.void, $T), $T);
     },
-    $index(_, key) {
-      var value,
-        t1 = this._async$_map,
-        result = t1.$index(0, key);
-      if (result != null || t1.containsKey$1(0, key))
-        return result;
-      value = this.parent.$index(0, key);
-      if (value != null)
-        t1.$indexSet(0, key, value);
-      return value;
-    },
     handleUncaughtError$2(error, stackTrace) {
       this._processUncaughtError$3(this, error, type$.StackTrace._as(stackTrace));
     },
@@ -13355,9 +13234,6 @@
     bindUnaryCallbackGuarded$1$1(f, $T) {
       return new A._RootZone_bindUnaryCallbackGuarded_closure(this, $T._eval$1("~(0)")._as(f), $T);
     },
-    $index(_, key) {
-      return null;
-    },
     handleUncaughtError$2(error, stackTrace) {
       A._rootHandleError(error, type$.StackTrace._as(stackTrace));
     },
@@ -13721,23 +13597,6 @@
     },
     $isIterator: 1
   };
-  A._LinkedIdentityHashMap.prototype = {
-    internalComputeHashCode$1(key) {
-      return A.objectHashCode(key) & 1073741823;
-    },
-    internalFindBucketIndex$2(bucket, key) {
-      var $length, i, t1;
-      if (bucket == null)
-        return -1;
-      $length = bucket.length;
-      for (i = 0; i < $length; ++i) {
-        t1 = bucket[i].hashMapCellKey;
-        if (t1 == null ? key == null : t1 === key)
-          return i;
-      }
-      return -1;
-    }
-  };
   A._LinkedCustomHashMap.prototype = {
     $index(_, key) {
       if (!A.boolConversionCheck(this._validKey.call$1(key)))
@@ -14261,13 +14120,6 @@
       t2 = compare == null ? A.collection_ListMixin__compareAny$closure() : compare;
       A.Sort_sort(receiver, t2, t1._eval$1("ListMixin.E"));
     },
-    $add(receiver, other) {
-      var t1 = A.instanceType(receiver);
-      t1._eval$1("List<ListMixin.E>")._as(other);
-      t1 = A.List_List$of(receiver, true, t1._eval$1("ListMixin.E"));
-      B.JSArray_methods.addAll$1(t1, other);
-      return t1;
-    },
     sublist$2(receiver, start, end) {
       var listLength = this.get$length(receiver);
       if (end == null)
@@ -14924,13 +14776,7 @@
       }
     },
     get$length(_) {
-      var t1;
-      if (this._processed == null) {
-        t1 = this._data;
-        t1 = t1.get$length(t1);
-      } else
-        t1 = this._convert$_computeKeys$0().length;
-      return t1;
+      return this._processed == null ? this._data._length : this._convert$_computeKeys$0().length;
     },
     get$isEmpty(_) {
       return this.get$length(this) === 0;
@@ -14939,7 +14785,7 @@
       var t1;
       if (this._processed == null) {
         t1 = this._data;
-        return t1.get$keys(t1);
+        return new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>"));
       }
       return new A._JsonMapKeyIterable(this);
     },
@@ -15539,8 +15385,9 @@
       type$.Symbol._as(key);
       t1 = this.sb;
       t2 = this._box_0;
-      t1._contents += t2.comma;
-      t3 = t1._contents += A.S(key._name);
+      t3 = t1._contents += t2.comma;
+      t3 += A.S(key._name);
+      t1._contents = t3;
       t1._contents = t3 + ": ";
       t1._contents += A.Error_safeToString(value);
       t2.comma = ", ";
@@ -15615,7 +15462,7 @@
         t1 = digits.length;
         if (!(digitShift >= 0 && digitShift < t1))
           return A.ioore(digits, digitShift);
-        if ((digits[digitShift] & B.JSInt_methods.$shl(1, bitShift) - 1) !== 0)
+        if ((digits[digitShift] & B.JSInt_methods.$shl(1, bitShift) - 1) >>> 0 !== 0)
           return result.$sub(0, $.$get$_BigIntImpl_one());
         for (i = 0; i < digitShift; ++i) {
           if (!(i < t1))
@@ -15666,9 +15513,8 @@
       return new A._BigIntImpl(t1 === 0 ? false : isNegative, resultDigits, t1);
     },
     $add(_, other) {
-      var t1, t2, isNegative, _this = this;
-      type$._BigIntImpl._as(other);
-      t1 = _this._used;
+      var t2, isNegative, _this = this,
+        t1 = _this._used;
       if (t1 === 0)
         return other;
       t2 = other._used;
@@ -15682,9 +15528,8 @@
       return other._absSubSetSign$2(_this, !isNegative);
     },
     $sub(_, other) {
-      var t1, t2, isNegative, _this = this;
-      type$._BigIntImpl._as(other);
-      t1 = _this._used;
+      var t2, isNegative, _this = this,
+        t1 = _this._used;
       if (t1 === 0)
         return other.$negate(0);
       t2 = other._used;
@@ -15922,21 +15767,16 @@
         h = A.DateTime__twoDigits(A.Primitives_getHours(_this)),
         min = A.DateTime__twoDigits(A.Primitives_getMinutes(_this)),
         sec = A.DateTime__twoDigits(A.Primitives_getSeconds(_this)),
-        ms = A.DateTime__threeDigits(A.Primitives_getMilliseconds(_this));
+        ms = A.DateTime__threeDigits(A.Primitives_getMilliseconds(_this)),
+        t1 = y + "-" + m;
       if (_this.isUtc)
-        return y + "-" + m + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + "Z";
+        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms + "Z";
       else
-        return y + "-" + m + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms;
+        return t1 + "-" + d + " " + h + ":" + min + ":" + sec + "." + ms;
     },
     $isComparable: 1
   };
   A.Duration.prototype = {
-    $add(_, other) {
-      return new A.Duration(B.JSInt_methods.$add(this._duration, type$.Duration._as(other).get$_duration()));
-    },
-    $sub(_, other) {
-      return new A.Duration(B.JSInt_methods.$sub(this._duration, type$.Duration._as(other).get$_duration()));
-    },
     $eq(_, other) {
       if (other == null)
         return false;
@@ -15949,7 +15789,7 @@
       return B.JSInt_methods.compareTo$1(this._duration, type$.Duration._as(other)._duration);
     },
     toString$0(_) {
-      var minutes, minutesPadding, seconds, secondsPadding, paddedMicroseconds,
+      var minutes, minutesPadding, seconds, secondsPadding,
         microseconds = this._duration,
         hours = B.JSInt_methods._tdivFast$1(microseconds, 3600000000);
       microseconds %= 3600000000;
@@ -15960,8 +15800,7 @@
       minutesPadding = minutes < 10 ? "0" : "";
       seconds = B.JSInt_methods._tdivFast$1(microseconds, 1000000);
       secondsPadding = seconds < 10 ? "0" : "";
-      paddedMicroseconds = B.JSString_methods.padLeft$2(B.JSInt_methods.toString$0(microseconds % 1000000), 6, "0");
-      return "" + hours + ":" + minutesPadding + minutes + ":" + secondsPadding + seconds + "." + paddedMicroseconds;
+      return "" + hours + ":" + minutesPadding + minutes + ":" + secondsPadding + seconds + "." + B.JSString_methods.padLeft$2(B.JSInt_methods.toString$0(microseconds % 1000000), 6, "0");
     },
     $isComparable: 1
   };
@@ -15992,7 +15831,7 @@
       return "";
     },
     toString$0(_) {
-      var explanation, errorValue, _this = this,
+      var _this = this,
         $name = _this.name,
         nameString = $name == null ? "" : " (" + $name + ")",
         message = _this.message,
@@ -16000,9 +15839,7 @@
         prefix = _this.get$_errorName() + nameString + messageString;
       if (!_this._hasValue)
         return prefix;
-      explanation = _this.get$_errorExplanation();
-      errorValue = A.Error_safeToString(_this.invalidValue);
-      return prefix + explanation + ": " + errorValue;
+      return prefix + _this.get$_errorExplanation() + ": " + A.Error_safeToString(_this.invalidValue);
     }
   };
   A.RangeError.prototype = {
@@ -16059,8 +15896,7 @@
       _this._namedArguments.forEach$1(0, new A.NoSuchMethodError_toString_closure(_box_0, sb));
       receiverText = A.Error_safeToString(_this._core$_receiver);
       actualParameters = sb.toString$0(0);
-      t1 = "NoSuchMethodError: method not found: '" + A.S(_this._core$_memberName._name) + "'\nReceiver: " + receiverText + "\nArguments: [" + actualParameters + "]";
-      return t1;
+      return "NoSuchMethodError: method not found: '" + A.S(_this._core$_memberName._name) + "'\nReceiver: " + receiverText + "\nArguments: [" + actualParameters + "]";
     }
   };
   A.UnsupportedError.prototype = {
@@ -16118,7 +15954,7 @@
   };
   A.FormatException.prototype = {
     toString$0(_) {
-      var t1, lineNum, lineStart, previousCharWasCR, i, char, lineEnd, end, start, prefix, postfix, slice,
+      var t1, lineNum, lineStart, previousCharWasCR, i, char, lineEnd, end, start, prefix, postfix,
         message = this.message,
         report = message != null && "" !== message ? "FormatException: " + A.S(message) : "FormatException",
         offset = this.offset,
@@ -16181,8 +16017,7 @@
           prefix = "";
           postfix = "";
         }
-        slice = B.JSString_methods.substring$2(source, start, end);
-        return report + prefix + slice + postfix + "\n" + B.JSString_methods.$mul(" ", offset - start + prefix.length) + "^\n";
+        return report + prefix + B.JSString_methods.substring$2(source, start, end) + postfix + "\n" + B.JSString_methods.$mul(" ", offset - start + prefix.length) + "^\n";
       } else
         return offset != null ? report + (" (at offset " + A.S(offset) + ")") : report;
     }
@@ -16196,17 +16031,6 @@
     },
     $isError: 1
   };
-  A.Expando.prototype = {
-    $index(_, object) {
-      var t1 = typeof object == "number" || false;
-      if (t1)
-        A.throwExpression(A.ArgumentError$value(object, string$.Expand, null));
-      return this._jsWeakMap.get(object);
-    },
-    toString$0(_) {
-      return "Expando:null";
-    }
-  };
   A.Iterable.prototype = {
     cast$1$0(_, $R) {
       return A.CastIterable_CastIterable(this, A._instanceType(this)._eval$1("Iterable.E"), $R);
@@ -16392,7 +16216,7 @@
         t2 = _this._fragment;
         if (t2 != null)
           t1 = t1 + "#" + t2;
-        A._lateInitializeOnceCheck(_this.___Uri__text, "_text");
+        A._lateInitializeOnceCheck(value, "_text");
         value = _this.___Uri__text = t1.charCodeAt(0) == 0 ? t1 : t1;
       }
       return value;
@@ -16435,7 +16259,7 @@
       var thisScheme = this.scheme;
       if (scheme.length !== thisScheme.length)
         return false;
-      return A._Uri__compareScheme(scheme, thisScheme);
+      return A._caseInsensitiveCompareStart(scheme, thisScheme, 0) >= 0;
     },
     replace$1$scheme(_, scheme) {
       var isFile, userInfo, port, host, currentPath, t1, path, _this = this;
@@ -16615,7 +16439,7 @@
         return this._schemeEnd < 0;
       if (t1 !== this._schemeEnd)
         return false;
-      return A._Uri__compareScheme(scheme, this._uri);
+      return A._caseInsensitiveCompareStart(scheme, this._uri, 0) >= 0;
     },
     get$scheme() {
       var t1 = this._schemeCache;
@@ -16717,6 +16541,11 @@
     $isUri: 1
   };
   A._DataUri.prototype = {};
+  A.Expando.prototype = {
+    toString$0(_) {
+      return "Expando:null";
+    }
+  };
   A.HtmlElement.prototype = {$isHtmlElement: 1};
   A.AccessibleNodeList.prototype = {
     get$length(receiver) {
@@ -16779,9 +16608,6 @@
   A.DataTransferItemList.prototype = {
     get$length(receiver) {
       return receiver.length;
-    },
-    $index(receiver, index) {
-      return receiver[index];
     }
   };
   A.Document.prototype = {$isDocument: 1};
@@ -16829,10 +16655,9 @@
       var t2,
         t1 = receiver.left;
       t1.toString;
-      t1 = "Rectangle (" + A.S(t1) + ", ";
       t2 = receiver.top;
       t2.toString;
-      return t1 + A.S(t2) + ") " + A.S(this.get$width(receiver)) + " x " + A.S(this.get$height(receiver));
+      return "Rectangle (" + A.S(t1) + ", " + A.S(t2) + ") " + A.S(this.get$width(receiver)) + " x " + A.S(this.get$height(receiver));
     },
     $eq(receiver, other) {
       var t1, t2;
@@ -17817,19 +17642,16 @@
   };
   A._DomRect.prototype = {
     toString$0(receiver) {
-      var t2,
+      var t2, t3, t4,
         t1 = receiver.left;
       t1.toString;
-      t1 = "Rectangle (" + A.S(t1) + ", ";
       t2 = receiver.top;
       t2.toString;
-      t2 = t1 + A.S(t2) + ") ";
-      t1 = receiver.width;
-      t1.toString;
-      t1 = t2 + A.S(t1) + " x ";
-      t2 = receiver.height;
-      t2.toString;
-      return t1 + A.S(t2);
+      t3 = receiver.width;
+      t3.toString;
+      t4 = receiver.height;
+      t4.toString;
+      return "Rectangle (" + A.S(t1) + ", " + A.S(t2) + ") " + A.S(t3) + " x " + A.S(t4);
     },
     $eq(receiver, other) {
       var t1, t2;
@@ -18139,11 +17961,11 @@
   A._Html5NodeValidator.prototype = {
     _Html5NodeValidator$1$uriPolicy(uriPolicy) {
       var _i;
-      if ($._Html5NodeValidator__attributeValidators.get$isEmpty($._Html5NodeValidator__attributeValidators)) {
+      if ($._Html5NodeValidator__attributeValidators._length === 0) {
         for (_i = 0; _i < 262; ++_i)
-          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_2Zi[_i], A.html0__Html5NodeValidator__standardAttributeValidator$closure());
+          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_2Zi[_i], A.html__Html5NodeValidator__standardAttributeValidator$closure());
         for (_i = 0; _i < 12; ++_i)
-          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_yrN[_i], A.html0__Html5NodeValidator__uriAttributeValidator$closure());
+          $._Html5NodeValidator__attributeValidators.$indexSet(0, B.List_yrN[_i], A.html__Html5NodeValidator__uriAttributeValidator$closure());
       }
     },
     allowsElement$1(element) {
@@ -18204,23 +18026,27 @@
       return this.allowedElements.contains$1(0, A.Element__safeTagName(element));
     },
     allowsAttribute$3(element, attributeName, value) {
-      var _this = this,
-        tagName = A.Element__safeTagName(element),
-        t1 = _this.allowedUriAttributes;
-      if (t1.contains$1(0, A.S(tagName) + "::" + attributeName))
-        return _this.uriPolicy.allowsUri$1(value);
-      else if (t1.contains$1(0, "*::" + attributeName))
+      var t4, _this = this,
+        t1 = _this.allowedUriAttributes,
+        t2 = A.S(A.Element__safeTagName(element)),
+        t3 = t2 + "::" + attributeName;
+      if (t1.contains$1(0, t3))
         return _this.uriPolicy.allowsUri$1(value);
       else {
-        t1 = _this.allowedAttributes;
-        if (t1.contains$1(0, A.S(tagName) + "::" + attributeName))
-          return true;
-        else if (t1.contains$1(0, "*::" + attributeName))
-          return true;
-        else if (t1.contains$1(0, A.S(tagName) + "::*"))
-          return true;
-        else if (t1.contains$1(0, "*::*"))
-          return true;
+        t4 = "*::" + attributeName;
+        if (t1.contains$1(0, t4))
+          return _this.uriPolicy.allowsUri$1(value);
+        else {
+          t1 = _this.allowedAttributes;
+          if (t1.contains$1(0, t3))
+            return true;
+          else if (t1.contains$1(0, t4))
+            return true;
+          else if (t1.contains$1(0, t2 + "::*"))
+            return true;
+          else if (t1.contains$1(0, "*::*"))
+            return true;
+        }
       }
       return false;
     },
@@ -18278,7 +18104,7 @@
     moveNext$0() {
       var _this = this,
         nextPosition = _this._position + 1,
-        t1 = _this._length;
+        t1 = _this._html$_length;
       if (nextPosition < t1) {
         _this.set$_current(J.$index$asx(_this._array, nextPosition));
         _this._position = nextPosition;
@@ -18360,53 +18186,51 @@
         else {
           this._removeNode$2(element, $parent);
           window;
-          t1 = "Removing corrupted element " + A.S(elementText);
+          t1 = A.S(elementText);
           if (typeof console != "undefined")
-            window.console.warn(t1);
+            window.console.warn("Removing corrupted element " + t1);
         }
       }
     },
     _sanitizeElement$7(element, $parent, corrupted, text, tag, attrs, isAttr) {
-      var t1, keys, i, $name, t2, t3, _this = this;
+      var t1, keys, i, t2, $name, t3, t4, _this = this;
       if (corrupted) {
         _this._removeNode$2(element, $parent);
         window;
-        t1 = "Removing element due to corrupted attributes on <" + text + ">";
         if (typeof console != "undefined")
-          window.console.warn(t1);
+          window.console.warn("Removing element due to corrupted attributes on <" + text + ">");
         return;
       }
       if (!_this.validator.allowsElement$1(element)) {
         _this._removeNode$2(element, $parent);
         window;
-        t1 = "Removing disallowed element <" + A.S(tag) + "> from " + A.S($parent);
+        t1 = A.S($parent);
         if (typeof console != "undefined")
-          window.console.warn(t1);
+          window.console.warn("Removing disallowed element <" + A.S(tag) + "> from " + t1);
         return;
       }
       if (isAttr != null)
         if (!_this.validator.allowsAttribute$3(element, "is", isAttr)) {
           _this._removeNode$2(element, $parent);
           window;
-          t1 = "Removing disallowed type extension <" + A.S(tag) + ' is="' + isAttr + '">';
           if (typeof console != "undefined")
-            window.console.warn(t1);
+            window.console.warn("Removing disallowed type extension <" + A.S(tag) + ' is="' + isAttr + '">');
           return;
         }
       t1 = attrs.get$keys(attrs);
       keys = A._setArrayType(t1.slice(0), A._arrayInstanceType(t1));
-      for (i = attrs.get$keys(attrs).length - 1, t1 = attrs._element; i >= 0; --i) {
+      for (i = attrs.get$keys(attrs).length - 1, t1 = attrs._element, t2 = "Removing disallowed attribute <" + A.S(tag) + " "; i >= 0; --i) {
         if (!(i < keys.length))
           return A.ioore(keys, i);
         $name = keys[i];
-        t2 = _this.validator;
-        t3 = J.toLowerCase$0$s($name);
+        t3 = _this.validator;
+        t4 = J.toLowerCase$0$s($name);
         A._asStringS($name);
-        if (!t2.allowsAttribute$3(element, t3, t1.getAttribute($name))) {
+        if (!t3.allowsAttribute$3(element, t4, t1.getAttribute($name))) {
           window;
-          t2 = "Removing disallowed attribute <" + A.S(tag) + " " + $name + '="' + A.S(t1.getAttribute($name)) + '">';
+          t3 = t1.getAttribute($name);
           if (typeof console != "undefined")
-            window.console.warn(t2);
+            window.console.warn(t2 + $name + '="' + A.S(t3) + '">');
           t1.removeAttribute($name);
         }
       }
@@ -19041,17 +18865,16 @@
   };
   A.SvgElement.prototype = {
     createFragment$3$treeSanitizer$validator(receiver, svg, treeSanitizer, validator) {
-      var html, t2, fragment, svgFragment, root,
+      var t2, fragment, svgFragment, root,
         t1 = A._setArrayType([], type$.JSArray_NodeValidator);
       B.JSArray_methods.add$1(t1, A._Html5NodeValidator$(null));
       B.JSArray_methods.add$1(t1, A._TemplatingNodeValidator$());
       B.JSArray_methods.add$1(t1, new A._SvgNodeValidator());
       treeSanitizer = new A._ValidatingTreeSanitizer(new A.NodeValidatorBuilder(t1));
-      html = '<svg version="1.1">' + svg + "</svg>";
       t1 = document;
       t2 = t1.body;
       t2.toString;
-      fragment = B.BodyElement_methods.createFragment$2$treeSanitizer(t2, html, treeSanitizer);
+      fragment = B.BodyElement_methods.createFragment$2$treeSanitizer(t2, '<svg version="1.1">' + svg + "</svg>", treeSanitizer);
       svgFragment = t1.createDocumentFragment();
       fragment.toString;
       t1 = new A._ChildNodeListLazy(fragment);
@@ -19325,10 +19148,6 @@
     $index(_, index) {
       return J.$index$asx(this._copy_on_write_list$_list, index);
     },
-    $add(_, other) {
-      this.$ti._eval$1("List<1>")._as(other);
-      return J.$add$ansx(this._copy_on_write_list$_list, other);
-    },
     cast$1$0(_, $T) {
       return new A.CopyOnWriteList(true, J.cast$1$0$ax(this._copy_on_write_list$_list, $T), $T._eval$1("CopyOnWriteList<0>"));
     },
@@ -19446,16 +19265,6 @@
     toString$0(_) {
       return A.IterableBase_iterableToFullString(this._list, "[", "]");
     },
-    $index(_, index) {
-      var t1 = this._list;
-      if (!(index < t1.length))
-        return A.ioore(t1, index);
-      return t1[index];
-    },
-    $add(_, other) {
-      var t1 = this.$ti;
-      return new A._BuiltList(B.JSArray_methods.$add(this._list, t1._eval$1("BuiltList<1>")._as(other).get$_list()), t1._eval$1("_BuiltList<1>"));
-    },
     get$length(_) {
       return this._list.length;
     },
@@ -19543,9 +19352,6 @@
         _this.set$_listOwner(null);
       }
     },
-    $index(_, index) {
-      return J.$index$asx(A._lateReadCheck(this.__ListBuilder__list, "_list"), index);
-    },
     get$length(_) {
       return J.get$length$asx(A._lateReadCheck(this.__ListBuilder__list, "_list"));
     },
@@ -19585,9 +19391,8 @@
         t1 = _this._list_multimap$_hashCode;
       if (t1 == null) {
         t1 = _this._list_multimap$_map;
-        t1 = t1.get$keys(t1);
-        t2 = A._instanceType(t1);
-        t2 = A.MappedIterable_MappedIterable(t1, t2._eval$1("int(Iterable.E)")._as(new A.BuiltListMultimap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
+        t2 = A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>");
+        t2 = A.MappedIterable_MappedIterable(new A.LinkedHashMapKeyIterable(t1, t2), t2._eval$1("int(Iterable.E)")._as(new A.BuiltListMultimap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
         t2 = A.List_List$of(t2, false, A._instanceType(t2)._eval$1("Iterable.E"));
         B.JSArray_methods.sort$0(t2);
         t2 = _this._list_multimap$_hashCode = A.hashObjects(t2);
@@ -19605,12 +19410,12 @@
         return false;
       t1 = other._list_multimap$_map;
       t2 = _this._list_multimap$_map;
-      if (t1.get$length(t1) !== t2.get$length(t2))
+      if (t1._length !== t2._length)
         return false;
       if (other.get$hashCode(other) != _this.get$hashCode(_this))
         return false;
-      for (t3 = _this.get$keys(_this), t3 = t3.get$iterator(t3), t4 = other._emptyList, t5 = _this._emptyList; t3.moveNext$0();) {
-        key = t3.get$current(t3);
+      for (t3 = _this.get$keys(_this), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, A._instanceType(t3)._precomputed1), t4 = other._emptyList, t5 = _this._emptyList; t3.moveNext$0();) {
+        key = t3.__js_helper$_current;
         result = t1.$index(0, key);
         t6 = result == null ? t4 : result;
         result = t2.$index(0, key);
@@ -19622,23 +19427,18 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._list_multimap$_map);
     },
-    $index(_, key) {
-      var result = this._list_multimap$_map.$index(0, key);
-      return result == null ? this._emptyList : result;
-    },
     get$keys(_) {
       var t1, _this = this;
       if (_this._list_multimap$_keys == null) {
         t1 = _this._list_multimap$_map;
-        _this.set$_list_multimap$_keys(t1.get$keys(t1));
+        _this.set$_list_multimap$_keys(new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>")));
       }
       t1 = _this._list_multimap$_keys;
       t1.toString;
       return t1;
     },
     get$length(_) {
-      var t1 = this._list_multimap$_map;
-      return t1.get$length(t1);
+      return this._list_multimap$_map._length;
     },
     set$_list_multimap$_keys(_keys) {
       this._list_multimap$_keys = this.$ti._eval$1("Iterable<1>?")._as(_keys);
@@ -19681,8 +19481,8 @@
         _s11_ = "_builderMap",
         _s9_ = "_builtMap";
       if (_this._list_multimap$_builtMapOwner == null) {
-        for (t1 = J.get$keys$x(A._lateReadCheck(_this.__ListMultimapBuilder__builderMap, _s11_)), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
-          key = t1.get$current(t1);
+        for (t1 = A._lateReadCheck(_this.__ListMultimapBuilder__builderMap, _s11_), t1 = A.LinkedHashMapKeyIterator$(t1, t1._modifications, A.instanceType(t1)._precomputed1); t1.moveNext$0();) {
+          key = t1.__js_helper$_current;
           t2 = J.$index$asx(A._lateReadCheck(_this.__ListMultimapBuilder__builderMap, _s11_), key);
           if (t2._listOwner == null) {
             t3 = A._lateReadCheck(t2.__ListBuilder__list, "_list");
@@ -19711,12 +19511,6 @@
     replace$1(_, multimap) {
       this._list_multimap$_setWithCopyAndCheck$2(multimap.get$keys(multimap), new A.ListMultimapBuilder_replace_closure(multimap));
     },
-    $index(_, key) {
-      var t1;
-      this._makeWriteableCopy$0();
-      t1 = this.$ti;
-      return t1._precomputed1._is(key) ? this._list_multimap$_getValuesBuilder$1(key) : A.ListBuilder_ListBuilder(B.List_empty0, t1._rest[1]);
-    },
     _list_multimap$_getValuesBuilder$1(key) {
       var result, builtValues, _this = this,
         _s11_ = "_builderMap",
@@ -19730,14 +19524,6 @@
       }
       return result;
     },
-    _makeWriteableCopy$0() {
-      var t1, _this = this;
-      if (_this._list_multimap$_builtMapOwner != null) {
-        t1 = _this.$ti;
-        _this.set$__ListMultimapBuilder__builtMap(t1._eval$1("Map<1,BuiltList<2>>")._as(A.LinkedHashMap_LinkedHashMap$from(A._lateReadCheck(_this.__ListMultimapBuilder__builtMap, "_builtMap"), t1._precomputed1, t1._eval$1("BuiltList<2>"))));
-        _this.set$_list_multimap$_builtMapOwner(null);
-      }
-    },
     _list_multimap$_setWithCopyAndCheck$2(keys, lookup) {
       var t1, t2, t3, t4, t5, t6, key, t7, value, t8, t9, t10, _this = this, _null = null;
       _this.set$_list_multimap$_builtMapOwner(_null);
@@ -19827,9 +19613,8 @@
         t1 = _this._map$_hashCode;
       if (t1 == null) {
         t1 = _this._map$_map;
-        t1 = t1.get$keys(t1);
-        t2 = A._instanceType(t1);
-        t2 = A.MappedIterable_MappedIterable(t1, t2._eval$1("int(Iterable.E)")._as(new A.BuiltMap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
+        t2 = A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>");
+        t2 = A.MappedIterable_MappedIterable(new A.LinkedHashMapKeyIterable(t1, t2), t2._eval$1("int(Iterable.E)")._as(new A.BuiltMap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
         t2 = A.List_List$of(t2, false, A._instanceType(t2)._eval$1("Iterable.E"));
         B.JSArray_methods.sort$0(t2);
         t2 = _this._map$_hashCode = A.hashObjects(t2);
@@ -19838,7 +19623,7 @@
       return t1;
     },
     $eq(_, other) {
-      var t1, t2, t3, key, _this = this;
+      var t1, t2, t3, t4, key, _this = this;
       if (other == null)
         return false;
       if (other === _this)
@@ -19847,12 +19632,12 @@
         return false;
       t1 = other._map$_map;
       t2 = _this._map$_map;
-      if (t1.get$length(t1) !== t2.get$length(t2))
+      if (t1._length !== t2._length)
         return false;
       if (other.get$hashCode(other) != _this.get$hashCode(_this))
         return false;
-      for (t3 = _this.get$keys(_this), t3 = t3.get$iterator(t3); t3.moveNext$0();) {
-        key = t3.get$current(t3);
+      for (t3 = _this.get$keys(_this), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, A._instanceType(t3)._precomputed1); t3.moveNext$0();) {
+        key = t3.__js_helper$_current;
         if (!J.$eq$(t1.$index(0, key), t2.$index(0, key)))
           return false;
       }
@@ -19861,22 +19646,18 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._map$_map);
     },
-    $index(_, key) {
-      return this._map$_map.$index(0, key);
-    },
     get$keys(_) {
       var t1, _this = this;
       if (_this._map$_keys == null) {
         t1 = _this._map$_map;
-        _this.set$_map$_keys(t1.get$keys(t1));
+        _this.set$_map$_keys(new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>")));
       }
       t1 = _this._map$_keys;
       t1.toString;
       return t1;
     },
     get$length(_) {
-      var t1 = this._map$_map;
-      return t1.get$length(t1);
+      return this._map$_map._length;
     },
     map$1(_, f) {
       var t1 = type$.dynamic,
@@ -19941,9 +19722,6 @@
       _this.set$_mapOwner(null);
       _this.set$__MapBuilder__map(replacement);
     },
-    $index(_, key) {
-      return J.$index$asx(A._lateReadCheck(this.__MapBuilder__map, "_map"), key);
-    },
     $indexSet(_, key, value) {
       var t2, _this = this,
         t1 = _this.$ti;
@@ -19960,7 +19738,7 @@
       J.$indexSet$ax(A._lateReadCheck(_this.__MapBuilder__map, "_map"), key, value);
     },
     get$length(_) {
-      return J.get$length$asx(A._lateReadCheck(this.__MapBuilder__map, "_map"));
+      return A._lateReadCheck(this.__MapBuilder__map, "_map")._length;
     },
     get$_safeMap() {
       var t1, _this = this;
@@ -20183,9 +19961,8 @@
         t1 = _this._set_multimap$_hashCode;
       if (t1 == null) {
         t1 = _this._set_multimap$_map;
-        t1 = t1.get$keys(t1);
-        t2 = A._instanceType(t1);
-        t2 = A.MappedIterable_MappedIterable(t1, t2._eval$1("int(Iterable.E)")._as(new A.BuiltSetMultimap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
+        t2 = A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>");
+        t2 = A.MappedIterable_MappedIterable(new A.LinkedHashMapKeyIterable(t1, t2), t2._eval$1("int(Iterable.E)")._as(new A.BuiltSetMultimap_hashCode_closure(_this)), t2._eval$1("Iterable.E"), type$.int);
         t2 = A.List_List$of(t2, false, A._instanceType(t2)._eval$1("Iterable.E"));
         B.JSArray_methods.sort$0(t2);
         t2 = _this._set_multimap$_hashCode = A.hashObjects(t2);
@@ -20203,12 +19980,12 @@
         return false;
       t1 = other._set_multimap$_map;
       t2 = _this._set_multimap$_map;
-      if (t1.get$length(t1) !== t2.get$length(t2))
+      if (t1._length !== t2._length)
         return false;
       if (other.get$hashCode(other) != _this.get$hashCode(_this))
         return false;
-      for (t3 = _this.get$keys(_this), t3 = t3.get$iterator(t3), t4 = other._emptySet, t5 = _this._emptySet; t3.moveNext$0();) {
-        key = t3.get$current(t3);
+      for (t3 = _this.get$keys(_this), t4 = t3._map, t3 = A.LinkedHashMapKeyIterator$(t4, t4._modifications, A._instanceType(t3)._precomputed1), t4 = other._emptySet, t5 = _this._emptySet; t3.moveNext$0();) {
+        key = t3.__js_helper$_current;
         result = t1.$index(0, key);
         t6 = result == null ? t4 : result;
         result = t2.$index(0, key);
@@ -20220,23 +19997,18 @@
     toString$0(_) {
       return A.MapBase_mapToString(this._set_multimap$_map);
     },
-    $index(_, key) {
-      var result = this._set_multimap$_map.$index(0, key);
-      return result == null ? this._emptySet : result;
-    },
     get$keys(_) {
       var t1, _this = this;
       if (_this._set_multimap$_keys == null) {
         t1 = _this._set_multimap$_map;
-        _this.set$_set_multimap$_keys(t1.get$keys(t1));
+        _this.set$_set_multimap$_keys(new A.LinkedHashMapKeyIterable(t1, A._instanceType(t1)._eval$1("LinkedHashMapKeyIterable<1>")));
       }
       t1 = _this._set_multimap$_keys;
       t1.toString;
       return t1;
     },
     get$length(_) {
-      var t1 = this._set_multimap$_map;
-      return t1.get$length(t1);
+      return this._set_multimap$_map._length;
     },
     set$_set_multimap$_keys(_keys) {
       this._set_multimap$_keys = this.$ti._eval$1("Iterable<1>?")._as(_keys);
@@ -20262,8 +20034,8 @@
         _s11_ = "_builderMap",
         _s9_ = "_builtMap";
       if (_this._builtMapOwner == null) {
-        for (t1 = J.get$keys$x(A._lateReadCheck(_this.__SetMultimapBuilder__builderMap, _s11_)), t1 = t1.get$iterator(t1); t1.moveNext$0();) {
-          key = t1.get$current(t1);
+        for (t1 = A._lateReadCheck(_this.__SetMultimapBuilder__builderMap, _s11_), t1 = A.LinkedHashMapKeyIterator$(t1, t1._modifications, A.instanceType(t1)._precomputed1); t1.moveNext$0();) {
+          key = t1.__js_helper$_current;
           t2 = J.$index$asx(A._lateReadCheck(_this.__SetMultimapBuilder__builderMap, _s11_), key);
           if (t2._setOwner == null)
             t2.set$_setOwner(new A._BuiltSet(t2._setFactory, A._lateReadCheck(t2.__SetBuilder__set, "_set"), A._instanceType(t2)._eval$1("_BuiltSet<1>")));
@@ -20872,8 +20644,8 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtListMultimap.get$keys(builtListMultimap), t1 = t1.get$iterator(t1), t2 = builtListMultimap._list_multimap$_map, t3 = builtListMultimap._emptyList; t1.moveNext$0();) {
-        key = t1.get$current(t1);
+      for (t1 = builtListMultimap.get$keys(builtListMultimap), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, A._instanceType(t1)._precomputed1), t2 = builtListMultimap._list_multimap$_map, t3 = builtListMultimap._emptyList; t1.moveNext$0();) {
+        key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result0 = t2.$index(0, key);
         t4 = result0 == null ? t3 : result0;
@@ -21061,8 +20833,8 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtMap.get$keys(builtMap), t1 = t1.get$iterator(t1), t2 = builtMap._map$_map; t1.moveNext$0();) {
-        key = t1.get$current(t1);
+      for (t1 = builtMap.get$keys(builtMap), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, A._instanceType(t1)._precomputed1), t2 = builtMap._map$_map; t1.moveNext$0();) {
+        key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result.push(serializers.serialize$2$specifiedType(t2.$index(0, key), valueType));
       }
@@ -21149,8 +20921,8 @@
         valueType = t1[1];
       }
       result = [];
-      for (t1 = builtSetMultimap.get$keys(builtSetMultimap), t1 = t1.get$iterator(t1), t2 = builtSetMultimap._set_multimap$_map, t3 = builtSetMultimap._emptySet; t1.moveNext$0();) {
-        key = t1.get$current(t1);
+      for (t1 = builtSetMultimap.get$keys(builtSetMultimap), t2 = t1._map, t1 = A.LinkedHashMapKeyIterator$(t2, t2._modifications, A._instanceType(t1)._precomputed1), t2 = builtSetMultimap._set_multimap$_map, t3 = builtSetMultimap._emptySet; t1.moveNext$0();) {
+        key = t1.__js_helper$_current;
         result.push(serializers.serialize$2$specifiedType(key, keyType));
         result0 = t2.$index(0, key);
         t4 = result0 == null ? t3 : result0;
@@ -21669,32 +21441,34 @@
     equals$2(elements1, elements2) {
       var counts, $length, e, count,
         t1 = A._instanceType(this),
-        t2 = t1._eval$1("_UnorderedEquality.T");
+        t2 = t1._eval$1("_UnorderedEquality.T?");
       t2._as(elements1);
       t2._as(elements2);
       if (elements1 === elements2)
         return true;
       t2 = this._elementEquality;
-      counts = A.HashMap_HashMap(t1._eval$1("bool(_UnorderedEquality.E,_UnorderedEquality.E)")._as(t2.get$equals()), t1._eval$1("int(_UnorderedEquality.E)")._as(t2.get$hash(t2)), t2.get$isValidKey(), t1._eval$1("_UnorderedEquality.E"), type$.dynamic);
+      counts = A.HashMap_HashMap(t1._eval$1("bool(_UnorderedEquality.E,_UnorderedEquality.E)")._as(t2.get$equals()), t1._eval$1("int(_UnorderedEquality.E)")._as(t2.get$hash(t2)), t2.get$isValidKey(), t1._eval$1("_UnorderedEquality.E"), type$.int);
       for (t1 = J.get$iterator$ax(elements1), $length = 0; t1.moveNext$0();) {
         e = t1.get$current(t1);
         count = counts.$index(0, e);
-        counts.$indexSet(0, e, J.$add$ansx(count == null ? 0 : count, 1));
+        counts.$indexSet(0, e, (count == null ? 0 : count) + 1);
         ++$length;
       }
       for (t1 = J.get$iterator$ax(elements2); t1.moveNext$0();) {
         e = t1.get$current(t1);
         count = counts.$index(0, e);
-        if (count == null || J.$eq$(count, 0))
+        if (count == null || count === 0)
           return false;
-        counts.$indexSet(0, e, J.$sub$n(count, 1));
+        if (typeof count !== "number")
+          return count.$sub();
+        counts.$indexSet(0, e, count - 1);
         --$length;
       }
       return $length === 0;
     },
     hash$1(_, elements) {
       var t1, t2, hash, c;
-      A._instanceType(this)._eval$1("_UnorderedEquality.T")._as(elements);
+      A._instanceType(this)._eval$1("_UnorderedEquality.T?")._as(elements);
       for (t1 = J.get$iterator$ax(elements), t2 = this._elementEquality, hash = 0; t1.moveNext$0();) {
         c = t2.hash$1(0, t1.get$current(t1));
         if (typeof c !== "number")
@@ -23376,14 +23150,14 @@
         t1 = this._channel,
         value = t1.__HtmlWebSocketChannel_sink;
       if (value === $) {
-        t2 = A._lateReadCheck(A._lateReadCheck(t1._html$_controller.__StreamChannelController__foreign, "_foreign").__GuaranteeChannel__sink, "_sink");
+        t2 = A._lateReadCheck(A._lateReadCheck(t1._html0$_controller.__StreamChannelController__foreign, "_foreign").__GuaranteeChannel__sink, "_sink");
         A._lateInitializeOnceCheck(t1.__HtmlWebSocketChannel_sink, "sink");
         value = t1.__HtmlWebSocketChannel_sink = new A._HtmlWebSocketSink(t1, t2);
       }
       return value;
     },
     get$stream(_) {
-      var t1 = A._lateReadCheck(A._lateReadCheck(this._channel._html$_controller.__StreamChannelController__foreign, "_foreign").__GuaranteeChannel__streamController, "_streamController"),
+      var t1 = A._lateReadCheck(A._lateReadCheck(this._channel._html0$_controller.__StreamChannelController__foreign, "_foreign").__GuaranteeChannel__streamController, "_streamController"),
         t2 = A._instanceType(t1)._eval$1("_ControllerStream<1>");
       return new A._MapStream(t2._eval$1("String*(Stream.T)")._as(new A.WebSocketClient_stream_closure()), new A._ControllerStream(t1, t2), t2._eval$1("_MapStream<Stream.T,String*>"));
     }
@@ -23395,16 +23169,6 @@
     $signature: 59
   };
   A.Int64.prototype = {
-    $add(_, other) {
-      var o = A.Int64__promote(other),
-        sum0 = this._l + o._l,
-        sum1 = this._m + o._m + (sum0 >>> 22);
-      return new A.Int64(sum0 & 4194303, sum1 & 4194303, this._h + o._h + (sum1 >>> 22) & 1048575);
-    },
-    $sub(_, other) {
-      var o = A.Int64__promote(other);
-      return A.Int64__sub(this._l, this._m, this._h, o._l, o._m, o._h);
-    },
     $eq(_, other) {
       var o, _this = this;
       if (other == null)
@@ -23771,25 +23535,25 @@
   A.PoolResource.prototype = {};
   A.SseClient.prototype = {
     SseClient$1(serverUrl) {
-      var t2, t3, t4, _this = this,
+      var t3, t4, _this = this,
         _s12_ = "_eventSource",
-        clientId = A.generateUuidV4(),
-        t1 = A.EventSource__factoryEventSource(serverUrl + "?sseClientId=" + clientId, A.LinkedHashMap_LinkedHashMap$_literal(["withCredentials", true], type$.String, type$.dynamic));
-      _this.__SseClient__eventSource = t1;
-      _this.__SseClient__serverUrl = serverUrl + "?sseClientId=" + clientId;
-      t1 = new A._EventStream(A._lateReadCheck(t1, _s12_), "open", false, type$._EventStream_legacy_Event);
-      t1.get$first(t1).whenComplete$1(new A.SseClient_closure(_this));
-      t1 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
-      (t1 && B.EventSource_methods).addEventListener$2(t1, "message", _this.get$_onIncomingMessage());
-      t1 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
-      (t1 && B.EventSource_methods).addEventListener$2(t1, "control", _this.get$_onIncomingControlMessage());
-      t1 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
-      t2 = type$.nullable_void_Function_legacy_Event;
-      t3 = t2._as(new A.SseClient_closure0(_this));
+        t1 = serverUrl + "?sseClientId=" + A.generateUuidV4(),
+        t2 = A.EventSource__factoryEventSource(t1, A.LinkedHashMap_LinkedHashMap$_literal(["withCredentials", true], type$.String, type$.dynamic));
+      _this.__SseClient__eventSource = t2;
+      _this.__SseClient__serverUrl = t1;
+      t2 = new A._EventStream(A._lateReadCheck(t2, _s12_), "open", false, type$._EventStream_legacy_Event);
+      t2.get$first(t2).whenComplete$1(new A.SseClient_closure(_this));
+      t2 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
+      (t2 && B.EventSource_methods).addEventListener$2(t2, "message", _this.get$_onIncomingMessage());
+      t2 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
+      (t2 && B.EventSource_methods).addEventListener$2(t2, "control", _this.get$_onIncomingControlMessage());
+      t2 = A._lateReadCheck(_this.__SseClient__eventSource, _s12_);
+      t1 = type$.nullable_void_Function_legacy_Event;
+      t3 = t1._as(new A.SseClient_closure0(_this));
       type$.nullable_void_Function._as(null);
       t4 = type$.legacy_Event;
-      A._EventStreamSubscription$(t1, "open", t3, false, t4);
-      A._EventStreamSubscription$(A._lateReadCheck(_this.__SseClient__eventSource, _s12_), "error", t2._as(new A.SseClient_closure1(_this)), false, t4);
+      A._EventStreamSubscription$(t2, "open", t3, false, t4);
+      A._EventStreamSubscription$(A._lateReadCheck(_this.__SseClient__eventSource, _s12_), "error", t1._as(new A.SseClient_closure1(_this)), false, t4);
     },
     close$0(_) {
       var t1, _this = this;
@@ -24097,7 +23861,7 @@
       return t1;
     },
     v1$0() {
-      var seedBytes, nodeId, t2, t3, t4, clockSeq, mSecs, nSecs, tl, tmh, node, n, _this = this,
+      var seedBytes, nodeId, t2, t3, t4, clockSeq, nSecs, mSecs, tl, tmh, node, n, t5, t6, t7, t8, t9, t10, t11, t12, t13, t14, t15, t16, t17, _this = this,
         _s9_ = "hasInitV1",
         _s9_0 = "seedBytes",
         _s4_ = "node",
@@ -24108,9 +23872,6 @@
         t1 = J.$index$asx(_this.get$_uuid$_state(), _s9_);
       t1.toString;
       if (!A._asBoolS(t1)) {
-        B.Map_empty.$index(0, "v1rngPositionalArgs");
-        B.Map_empty.$index(0, "v1rngNamedArgs");
-        B.Map_empty.$index(0, "v1rng");
         seedBytes = A.UuidUtil_mathRNG();
         if (J.$index$asx(_this.get$_uuid$_state(), _s9_0) != null)
           J.$index$asx(_this.get$_uuid$_state(), _s9_0);
@@ -24134,48 +23895,48 @@
       options.$index(0, _s8_);
       clockSeq = A._asIntS(J.$index$asx(_this.get$_uuid$_state(), _s8_));
       options.$index(0, _s5_);
-      mSecs = Date.now();
+      t1 = Date.now();
       options.$index(0, _s5_0);
-      t1 = J.$index$asx(_this.get$_uuid$_state(), _s5_0);
-      t1.toString;
-      nSecs = A._asIntS(t1) + 1;
-      t1 = J.$index$asx(_this.get$_uuid$_state(), _s5_);
-      if (typeof t1 !== "number")
-        return A.iae(t1);
       t2 = J.$index$asx(_this.get$_uuid$_state(), _s5_0);
+      t2.toString;
+      nSecs = A._asIntS(t2) + 1;
+      t2 = A._asNumS(J.$index$asx(_this.get$_uuid$_state(), _s5_));
       if (typeof t2 !== "number")
         return A.iae(t2);
-      t1 = mSecs - t1 + (nSecs - t2) / 10000 < 0;
-      if (t1) {
+      t3 = A._asNumS(J.$index$asx(_this.get$_uuid$_state(), _s5_0));
+      if (typeof t3 !== "number")
+        return A.iae(t3);
+      t2 = t1 - t2 + (nSecs - t3) / 10000 < 0;
+      if (t2) {
         options.$index(0, _s8_);
-        t2 = true;
+        t3 = true;
       } else
-        t2 = false;
-      if (t2) {
+        t3 = false;
+      if (t3) {
         if (typeof clockSeq !== "number")
           return clockSeq.$add();
         clockSeq = clockSeq + 1 & 16383;
       }
-      if (!t1) {
-        t1 = J.$index$asx(_this.get$_uuid$_state(), _s5_);
-        if (typeof t1 !== "number")
-          return A.iae(t1);
-        t1 = mSecs > t1;
+      if (!t2) {
+        t2 = A._asNumS(J.$index$asx(_this.get$_uuid$_state(), _s5_));
+        if (typeof t2 !== "number")
+          return A.iae(t2);
+        t2 = t1 > t2;
       } else
-        t1 = true;
-      if (t1) {
+        t2 = true;
+      if (t2) {
         options.$index(0, _s5_0);
-        t1 = true;
+        t2 = true;
       } else
-        t1 = false;
-      if (t1)
+        t2 = false;
+      if (t2)
         nSecs = 0;
       if (nSecs >= 10000)
         throw A.wrapException(A.Exception_Exception("uuid.v1(): Can't create more than 10M uuids/sec"));
-      J.$indexSet$ax(_this.get$_uuid$_state(), _s5_, mSecs);
+      J.$indexSet$ax(_this.get$_uuid$_state(), _s5_, t1);
       J.$indexSet$ax(_this.get$_uuid$_state(), _s5_0, nSecs);
       J.$indexSet$ax(_this.get$_uuid$_state(), _s8_, clockSeq);
-      mSecs += 122192928e5;
+      mSecs = t1 + 122192928e5;
       tl = B.JSInt_methods.$mod((mSecs & 268435455) * 10000 + nSecs, 4294967296);
       buf[0] = B.JSInt_methods._shrOtherPositive$1(tl, 24) & 255;
       buf[1] = B.JSInt_methods._shrOtherPositive$1(tl, 16) & 255;
@@ -24191,7 +23952,7 @@
       buf[8] = clockSeq >>> 8 & 63 | 128;
       buf[9] = clockSeq & 255;
       options.$index(0, _s4_);
-      node = J.$index$asx(_this.get$_uuid$_state(), _s4_);
+      node = type$.List_dynamic._as(J.$index$asx(_this.get$_uuid$_state(), _s4_));
       for (t1 = J.getInterceptor$asx(node), n = 0; n < 6; ++n)
         B.NativeUint8List_methods.$indexSet(buf, 10 + n, A._asIntS(t1.$index(node, n)));
       t1 = $.$get$Uuid__byteToHex();
@@ -24202,63 +23963,63 @@
       t3 = buf[1];
       if (!(t3 < 256))
         return A.ioore(t1, t3);
-      t3 = t2 + t1[t3];
-      t2 = buf[2];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[3];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3] + "-";
-      t2 = buf[4];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[5];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3] + "-";
-      t2 = buf[6];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[7];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3] + "-";
-      t2 = buf[8];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[9];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3] + "-";
-      t2 = buf[10];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[11];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3];
-      t2 = buf[12];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[13];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      t3 = t2 + t1[t3];
-      t2 = buf[14];
-      if (!(t2 < 256))
-        return A.ioore(t1, t2);
-      t2 = t3 + t1[t2];
-      t3 = buf[15];
-      if (!(t3 < 256))
-        return A.ioore(t1, t3);
-      return t2 + t1[t3];
+      t3 = t1[t3];
+      t4 = buf[2];
+      if (!(t4 < 256))
+        return A.ioore(t1, t4);
+      t4 = t1[t4];
+      t5 = buf[3];
+      if (!(t5 < 256))
+        return A.ioore(t1, t5);
+      t5 = t1[t5];
+      t6 = buf[4];
+      if (!(t6 < 256))
+        return A.ioore(t1, t6);
+      t6 = t1[t6];
+      t7 = buf[5];
+      if (!(t7 < 256))
+        return A.ioore(t1, t7);
+      t7 = t1[t7];
+      t8 = buf[6];
+      if (!(t8 < 256))
+        return A.ioore(t1, t8);
+      t8 = t1[t8];
+      t9 = buf[7];
+      if (!(t9 < 256))
+        return A.ioore(t1, t9);
+      t9 = t1[t9];
+      t10 = buf[8];
+      if (!(t10 < 256))
+        return A.ioore(t1, t10);
+      t10 = t1[t10];
+      t11 = buf[9];
+      if (!(t11 < 256))
+        return A.ioore(t1, t11);
+      t11 = t1[t11];
+      t12 = buf[10];
+      if (!(t12 < 256))
+        return A.ioore(t1, t12);
+      t12 = t1[t12];
+      t13 = buf[11];
+      if (!(t13 < 256))
+        return A.ioore(t1, t13);
+      t13 = t1[t13];
+      t14 = buf[12];
+      if (!(t14 < 256))
+        return A.ioore(t1, t14);
+      t14 = t1[t14];
+      t15 = buf[13];
+      if (!(t15 < 256))
+        return A.ioore(t1, t15);
+      t15 = t1[t15];
+      t16 = buf[14];
+      if (!(t16 < 256))
+        return A.ioore(t1, t16);
+      t16 = t1[t16];
+      t17 = buf[15];
+      if (!(t17 < 256))
+        return A.ioore(t1, t17);
+      return t2 + t3 + t4 + t5 + "-" + t6 + t7 + "-" + t8 + t9 + "-" + t10 + t11 + "-" + t12 + t13 + t14 + t15 + t16 + t1[t17];
     }
   };
   A.HtmlWebSocketChannel.prototype = {
@@ -24281,7 +24042,7 @@
       t1.get$first(t1).then$1$1(0, new A.HtmlWebSocketChannel_closure2(_this), t3);
     },
     _listen$0() {
-      var t1 = A._lateReadCheck(A._lateReadCheck(this._html$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__streamController, "_streamController");
+      var t1 = A._lateReadCheck(A._lateReadCheck(this._html0$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__streamController, "_streamController");
       new A._ControllerStream(t1, A._instanceType(t1)._eval$1("_ControllerStream<1>")).listen$2$onDone(B.WebSocket_methods.get$send(this._webSocket), new A.HtmlWebSocketChannel__listen_closure(this));
     },
     $isWebSocketChannel: 1
@@ -24297,7 +24058,7 @@
     call$1(_) {
       var t1;
       type$.Event._as(_);
-      t1 = this.$this._html$_controller;
+      t1 = this.$this._html0$_controller;
       A._lateReadCheck(A._lateReadCheck(t1.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").addError$1(new A.WebSocketChannelException("WebSocket connection failed."));
       A._lateReadCheck(A._lateReadCheck(t1.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").close$0(0);
     },
@@ -24308,7 +24069,7 @@
       var data = new A._AcceptStructuredCloneDart2Js([], []).convertNativeToDart_AcceptStructuredClone$2$mustCopy(type$.MessageEvent._as($event).data, true);
       if (type$.ByteBuffer._is(data))
         data = A.NativeUint8List_NativeUint8List$view(data, 0, null);
-      A._lateReadCheck(A._lateReadCheck(this.$this._html$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").add$1(0, data);
+      A._lateReadCheck(A._lateReadCheck(this.$this._html0$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").add$1(0, data);
     },
     $signature: 64
   };
@@ -24317,7 +24078,7 @@
       type$.CloseEvent._as($event);
       $event.code;
       $event.reason;
-      A._lateReadCheck(A._lateReadCheck(this.$this._html$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").close$0(0);
+      A._lateReadCheck(A._lateReadCheck(this.$this._html0$_controller.__StreamChannelController__local, "_local").__GuaranteeChannel__sink, "_sink").close$0(0);
     },
     $signature: 65
   };
@@ -24331,8 +24092,7 @@
   A.WebSocketChannel.prototype = {};
   A.WebSocketChannelException.prototype = {
     toString$0(_) {
-      var t1 = "WebSocketChannelException: " + this.message;
-      return t1;
+      return "WebSocketChannelException: " + this.message;
     }
   };
   A.BatchedStreamController.prototype = {
@@ -24640,7 +24400,7 @@
     $call$body$main__closure(serialized) {
       var $async$goto = 0,
         $async$completer = A._makeAsyncAwaitCompleter(type$.Null),
-        $async$self = this, $alert, t1, $event;
+        $async$self = this, $alert, t1, t2, $event;
       var $async$call$1 = A._wrapJsFunctionForAsync(function($async$errorCode, $async$result) {
         if ($async$errorCode === 1)
           return A._asyncRethrow($async$result, $async$completer);
@@ -24698,9 +24458,10 @@
               } else if ($event instanceof A.RunRequest)
                 A.runMain();
               else if ($event instanceof A.ErrorResponse) {
-                t1 = "Error from backend:\n\nError: " + $event.error + "\n\nStack Trace:\n" + $event.stackTrace;
+                t1 = $event.error;
+                t2 = $event.stackTrace;
                 if (typeof console != "undefined")
-                  window.console.error(t1);
+                  window.console.error("Error from backend:\n\nError: " + t1 + "\n\nStack Trace:\n" + t2);
               }
             case 3:
               // join
@@ -25324,8 +25085,8 @@
     _static_1(A, "convert___defaultToEncodable$closure", "_defaultToEncodable", 1);
     _static_1(A, "core__identityHashCode$closure", "identityHashCode", 14);
     _static_2(A, "core__identical$closure", "identical", 13);
-    _static(A, "html0__Html5NodeValidator__standardAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__standardAttributeValidator"], 23, 0);
-    _static(A, "html0__Html5NodeValidator__uriAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__uriAttributeValidator"], 23, 0);
+    _static(A, "html__Html5NodeValidator__standardAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__standardAttributeValidator"], 23, 0);
+    _static(A, "html__Html5NodeValidator__uriAttributeValidator$closure", 4, null, ["call$4"], ["_Html5NodeValidator__uriAttributeValidator"], 23, 0);
     _instance_0_i(A.Node.prototype, "get$remove", "remove$0", 0);
     _instance_1_i(A.WebSocket.prototype, "get$send", "send$1", 4);
     _static_1(A, "js___convertToJS$closure", "_convertToJS", 27);
@@ -25347,7 +25108,7 @@
       _inherit = hunkHelpers.inherit,
       _inheritMany = hunkHelpers.inheritMany;
     _inherit(A.Object, null);
-    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapMixin, A.Error, A.SentinelValue, A.ListIterator, A.Iterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A._ListBase_Object_ListMixin, A.Symbol, A.MapView, A.ConstantMap, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A.StreamSubscription, A.StreamTransformerBase, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._RunNullaryZoneFunction, A._RunUnaryZoneFunction, A._RunBinaryZoneFunction, A._RegisterNullaryZoneFunction, A._RegisterUnaryZoneFunction, A._RegisterBinaryZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.__SetBase_Object_SetMixin, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A.IterableMixin, A.ListMixin, A._UnmodifiableMapMixin, A._ListQueueIterator, A.SetMixin, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Expando, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.CssStyleDeclarationBase, A.EventStreamProvider, A._Html5NodeValidator, A.ImmutableListMixin, A.NodeValidatorBuilder, A._SimpleNodeValidator, A._SvgNodeValidator, A.FixedSizeListIterator, A._DOMWindowCrossFrame, A._SameOriginUriPolicy, A._ValidatingTreeSanitizer, A._StructuredClone, A._AcceptStructuredClone, A.JsObject, A.NullRejectionException, A._JSRandom, A._Random, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.CopyOnWriteList, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.SocketClient, A.Int64, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.Uuid, A.WebSocketChannelException, A.BatchedStreamController, A.LegacyRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
+    _inheritMany(A.Object, [A.JS_CONST, J.Interceptor, J.ArrayIterator, A.Iterable, A.CastIterator, A.Closure, A.MapMixin, A.Error, A.SentinelValue, A.ListIterator, A.Iterator, A.EmptyIterator, A.FixedLengthListMixin, A.UnmodifiableListMixin, A._ListBase_Object_ListMixin, A.Symbol, A.MapView, A.ConstantMap, A.JSInvocationMirror, A.TypeErrorDecoder, A.NullThrownFromJavaScriptException, A.ExceptionAndStackTrace, A._StackTrace, A._Required, A.LinkedHashMapCell, A.LinkedHashMapKeyIterator, A.JSSyntaxRegExp, A._MatchImplementation, A._AllMatchesIterator, A.StringMatch, A._StringAllMatchesIterator, A._Cell, A.Rti, A._FunctionParameters, A._Type, A._TimerImpl, A._AsyncAwaitCompleter, A.AsyncError, A._Completer, A._FutureListener, A._Future, A._AsyncCallbackEntry, A.Stream, A.StreamSubscription, A.StreamTransformerBase, A._StreamController, A._SyncStreamControllerDispatch, A._AsyncStreamControllerDispatch, A._BufferingStreamSubscription, A._StreamSinkWrapper, A._DelayedEvent, A._DelayedDone, A._PendingEvents, A._StreamIterator, A._ZoneFunction, A._RunNullaryZoneFunction, A._RunUnaryZoneFunction, A._RunBinaryZoneFunction, A._RegisterNullaryZoneFunction, A._RegisterUnaryZoneFunction, A._RegisterBinaryZoneFunction, A._ZoneSpecification, A._ZoneDelegate, A._Zone, A._HashMapKeyIterator, A.__SetBase_Object_SetMixin, A._HashSetIterator, A._LinkedHashSetCell, A._LinkedHashSetIterator, A.IterableMixin, A.ListMixin, A._UnmodifiableMapMixin, A._ListQueueIterator, A.SetMixin, A._SplayTreeNode, A._SplayTree, A._SplayTreeIterator, A.Codec, A._JsonStringifier, A._Utf8Encoder, A._BigIntImpl, A.DateTime, A.Duration, A.OutOfMemoryError, A.StackOverflowError, A._Exception, A.FormatException, A.IntegerDivisionByZeroException, A.Null, A._StringStackTrace, A.StringBuffer, A._Uri, A.UriData, A._SimpleUri, A.Expando, A.CssStyleDeclarationBase, A.EventStreamProvider, A._Html5NodeValidator, A.ImmutableListMixin, A.NodeValidatorBuilder, A._SimpleNodeValidator, A._SvgNodeValidator, A.FixedSizeListIterator, A._DOMWindowCrossFrame, A._SameOriginUriPolicy, A._ValidatingTreeSanitizer, A._StructuredClone, A._AcceptStructuredClone, A.JsObject, A.NullRejectionException, A._JSRandom, A._Random, A.AsyncMemoizer, A.DelegatingStreamSink, A.ErrorResult, A.ValueResult, A.StreamQueue, A._NextRequest, A._HasNextRequest, A.CopyOnWriteList, A.BuiltList, A.ListBuilder, A.BuiltListMultimap, A.ListMultimapBuilder, A.BuiltMap, A.MapBuilder, A.BuiltSet, A.SetBuilder, A.BuiltSetMultimap, A.SetMultimapBuilder, A.EnumClass, A.IndentingBuiltValueToStringHelper, A.JsonObject, A.FullType, A.BigIntSerializer, A.BoolSerializer, A.BuiltJsonSerializers, A.BuiltJsonSerializersBuilder, A.BuiltListMultimapSerializer, A.BuiltListSerializer, A.BuiltMapSerializer, A.BuiltSetMultimapSerializer, A.BuiltSetSerializer, A.DateTimeSerializer, A.DoubleSerializer, A.DurationSerializer, A.Int64Serializer, A.IntSerializer, A.JsonObjectSerializer, A.NullSerializer, A.NumSerializer, A.RegExpSerializer, A.StringSerializer, A.UriSerializer, A.DefaultEquality, A.IterableEquality, A.ListEquality, A._UnorderedEquality, A._MapEntry, A.MapEquality, A.DeepCollectionEquality, A._QueueList_Object_ListMixin, A.BuildResult, A._$BuildStatusSerializer, A._$BuildResultSerializer, A.BuildResultBuilder, A.ConnectRequest, A._$ConnectRequestSerializer, A.ConnectRequestBuilder, A.DebugEvent, A.BatchedDebugEvents, A._$DebugEventSerializer, A._$BatchedDebugEventsSerializer, A.DebugEventBuilder, A.BatchedDebugEventsBuilder, A.DevToolsRequest, A.DevToolsResponse, A._$DevToolsRequestSerializer, A._$DevToolsResponseSerializer, A.DevToolsRequestBuilder, A.DevToolsResponseBuilder, A.ErrorResponse, A._$ErrorResponseSerializer, A.ErrorResponseBuilder, A.ExtensionRequest, A.ExtensionResponse, A.ExtensionEvent, A.BatchedEvents, A._$ExtensionRequestSerializer, A._$ExtensionResponseSerializer, A._$ExtensionEventSerializer, A._$BatchedEventsSerializer, A.ExtensionRequestBuilder, A.ExtensionResponseBuilder, A.ExtensionEventBuilder, A.BatchedEventsBuilder, A.IsolateExit, A.IsolateStart, A._$IsolateExitSerializer, A._$IsolateStartSerializer, A.IsolateExitBuilder, A.IsolateStartBuilder, A.RegisterEvent, A._$RegisterEventSerializer, A.RegisterEventBuilder, A.RunRequest, A._$RunRequestSerializer, A.SocketClient, A.Int64, A.Level, A.LogRecord, A.Logger, A.Pool, A.PoolResource, A.StreamChannelMixin, A._GuaranteeSink, A.StreamChannelController, A.Uuid, A.WebSocketChannelException, A.BatchedStreamController, A.LegacyRestarter, A.ReloadingManager, A.HotReloadFailedException, A.RequireRestarter]);
     _inheritMany(J.Interceptor, [J.JSBool, J.JSNull, J.JavaScriptObject, J.JSArray, J.JSNumber, J.JSString, A.NativeByteBuffer, A.NativeTypedData]);
     _inheritMany(J.JavaScriptObject, [J.LegacyJavaScriptObject, A.EventTarget, A.AccessibleNodeList, A.Blob, A.Event, A.CssTransformComponent, A.CssRule, A._CssStyleDeclaration_JavaScriptObject_CssStyleDeclarationBase, A.CssStyleValue, A.DataTransferItemList, A.DomException, A.DomImplementation, A._DomRectList_JavaScriptObject_ListMixin, A.DomRectReadOnly, A._DomStringList_JavaScriptObject_ListMixin, A.DomTokenList, A._FileList_JavaScriptObject_ListMixin, A.Gamepad, A.History, A._HtmlCollection_JavaScriptObject_ListMixin, A.ImageData, A.Location, A.MediaList, A._MidiInputMap_JavaScriptObject_MapMixin, A._MidiOutputMap_JavaScriptObject_MapMixin, A.MimeType, A._MimeTypeArray_JavaScriptObject_ListMixin, A._NodeList_JavaScriptObject_ListMixin, A.Plugin, A._PluginArray_JavaScriptObject_ListMixin, A._RtcStatsReport_JavaScriptObject_MapMixin, A.SpeechGrammar, A._SpeechGrammarList_JavaScriptObject_ListMixin, A.SpeechRecognitionResult, A._Storage_JavaScriptObject_MapMixin, A.StyleSheet, A._TextTrackCueList_JavaScriptObject_ListMixin, A.TimeRanges, A.Touch, A._TouchList_JavaScriptObject_ListMixin, A.TrackDefaultList, A.Url, A.__CssRuleList_JavaScriptObject_ListMixin, A.__GamepadList_JavaScriptObject_ListMixin, A.__NamedNodeMap_JavaScriptObject_ListMixin, A.__SpeechRecognitionResultList_JavaScriptObject_ListMixin, A.__StyleSheetList_JavaScriptObject_ListMixin, A.KeyRange, A.Length, A._LengthList_JavaScriptObject_ListMixin, A.Number, A._NumberList_JavaScriptObject_ListMixin, A.PointList, A._StringList_JavaScriptObject_ListMixin, A.Transform, A._TransformList_JavaScriptObject_ListMixin, A.AudioBuffer, A._AudioParamMap_JavaScriptObject_MapMixin]);
     _inheritMany(J.LegacyJavaScriptObject, [J.PlainJavaScriptObject, J.UnknownJavaScriptObject, J.JavaScriptFunction, A.Promise, A.RequireLoader, A.JsError, A.JsMap]);
@@ -25398,7 +25159,7 @@
     _inherit(A._MapStream, A._ForwardingStream);
     _inheritMany(A._Zone, [A._CustomZone, A._RootZone]);
     _inheritMany(A._HashMap, [A._IdentityHashMap, A._CustomHashMap]);
-    _inheritMany(A.JsLinkedHashMap, [A._LinkedIdentityHashMap, A._LinkedCustomHashMap]);
+    _inherit(A._LinkedCustomHashMap, A.JsLinkedHashMap);
     _inherit(A._SetBase, A.__SetBase_Object_SetMixin);
     _inheritMany(A._SetBase, [A._HashSet, A._LinkedHashSet]);
     _inherit(A.UnmodifiableListView, A.UnmodifiableListBase);
@@ -25585,11 +25346,10 @@
     leafTags: null,
     arrayRti: Symbol("$ti")
   };
-  A._Universe_addRules(init.typeUniverse, 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List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"],"TypedData":[]},"Int16List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"],"TypedData":[]},"Uint16List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"],"TypedData":[]},"Int32List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"],"TypedData":[]},"Uint32List":{"List":["int"],"EfficientLengthIterable":["int"],"Iterable":["int"],"TypedData":[]},"Float32List":{"List":["double"],"EfficientLengthIterable":["double"],"Iterable":["double"],"TypedData":[]},"Float64List":{"List":["double"],"EfficientLengthIterable":["double"],"Iterable":["double"],"TypedData":[]}}'));
   A._Universe_addErasedTypes(init.typeUniverse, JSON.parse('{"UnmodifiableListBase":1,"__CastListBase__CastIterableBase_ListMixin":2,"NativeTypedArray":1,"StreamTransformerBase":2,"IterableBase":1,"ListBase":1,"MapBase":2,"_ListBase_Object_ListMixin":1,"_SplayTreeSet__SplayTree_IterableMixin":1,"_SplayTreeSet__SplayTree_IterableMixin_SetMixin":1,"__SetBase_Object_SetMixin":1,"MapEntry":2,"_JsArray_JsObject_ListMixin":1,"_QueueList_Object_ListMixin":1,"StreamChannelMixin":1}'));
   var string$ = {
     Error_: "Error handler must accept one Object or one Object and a StackTrace as arguments, and return a value of the returned future's type",
-    Expand: "Expandos are not allowed on strings, numbers, booleans or null",
     _null_: "`null` encountered as the result from expression with type `Never`.",
     max_mu: "max must be in range 0 < max \u2264 2^32, was ",
     serial: "serializer must be StructuredSerializer or PrimitiveSerializer"
@@ -26381,9 +26141,6 @@
   Function.prototype.call$0 = function() {
     return this();
   };
-  Function.prototype.call$3 = function(a, b, c) {
-    return this(a, b, c);
-  };
   Function.prototype.call$1$1 = function(a) {
     return this(a);
   };
@@ -26393,6 +26150,9 @@
   Function.prototype.call$5 = function(a, b, c, d, e) {
     return this(a, b, c, d, e);
   };
+  Function.prototype.call$3 = function(a, b, c) {
+    return this(a, b, c);
+  };
   Function.prototype.call$4 = function(a, b, c, d) {
     return this(a, b, c, d);
   };
diff --git a/dwds/lib/src/services/expression_evaluator.dart b/dwds/lib/src/services/expression_evaluator.dart
index 767283ee7..6f1034020 100644
--- a/dwds/lib/src/services/expression_evaluator.dart
+++ b/dwds/lib/src/services/expression_evaluator.dart
@@ -149,6 +149,7 @@ class ExpressionEvaluator {
 
     var functionName = jsFrame.functionName;
     var jsLine = jsFrame.location.lineNumber + 1;
+    var jsScriptId = jsFrame.location.scriptId;
     var jsScope = await _collectLocalJsScope(jsFrame);
 
     // Find corresponding dart location and scope.
@@ -158,12 +159,13 @@ class ExpressionEvaluator {
     // so this will result in expressions not evaluated in some
     // cases. Invent location matching strategy for those cases.
     // [issue 890](https://github.com/dart-lang/webdev/issues/890)
-    var locationMap = await _locations.locationForJs(jsFrame.url, jsLine);
+    var url = _urlForScriptId(jsScriptId);
+    var locationMap = await _locations.locationForJs(url, jsLine);
     if (locationMap == null) {
       return _createError(
           ErrorKind.internal,
           'Cannot find Dart location for JS location: '
-          'url: ${jsFrame.url}'
+          'url: $url, '
           'function: $functionName, '
           'line: $jsLine');
     }
@@ -300,4 +302,8 @@ class ExpressionEvaluator {
 
     return jsScope;
   }
+
+  /// Returns Chrome script uri for Chrome script ID.
+  String _urlForScriptId(String scriptId) =>
+      _inspector.remoteDebugger.scripts[scriptId]?.url;
 }
diff --git a/dwds/lib/src/version.dart b/dwds/lib/src/version.dart
index dde7e4f5b..cc0eda7f7 100644
--- a/dwds/lib/src/version.dart
+++ b/dwds/lib/src/version.dart
@@ -1,2 +1,2 @@
 // Generated code. Do not modify.
-const packageVersion = '12.1.0';
+const packageVersion = '12.1.1';
diff --git a/dwds/pubspec.yaml b/dwds/pubspec.yaml
index 75fbac834..d94bb95ab 100644
--- a/dwds/pubspec.yaml
+++ b/dwds/pubspec.yaml
@@ -1,6 +1,6 @@
 name: dwds
 # Every time this changes you need to run `dart run build_runner build`.
-version: 12.1.0
+version: 12.1.1
 
 homepage: https://github.com/dart-lang/webdev/tree/master/dwds
 description: >-
diff --git a/dwds/test/debugger_test.dart b/dwds/test/debugger_test.dart
index 431aa286b..e02af6ddc 100644
--- a/dwds/test/debugger_test.dart
+++ b/dwds/test/debugger_test.dart
@@ -17,7 +17,7 @@ import 'package:dwds/src/loaders/strategy.dart';
 import 'package:test/test.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart'
-    show CallFrame, DebuggerPausedEvent, StackTrace, WipCallFrame;
+    show CallFrame, DebuggerPausedEvent, StackTrace, WipCallFrame, WipScript;
 
 import 'fixtures/context.dart';
 import 'fixtures/debugger_data.dart';
@@ -72,22 +72,31 @@ final sampleSyncFrame = WipCallFrame({
     'columnNumber': 72,
   },
   'location': {'scriptId': '69', 'lineNumber': 37, 'columnNumber': 0},
-  'url': 'http://127.0.0.1:8081/foo.ddc.js',
+  'url': '',
   'scopeChain': [],
   'this': {'type': 'undefined'},
 });
 
 final sampleAsyncFrame = CallFrame({
   'functionName': 'myFunc',
-  'url': 'http://127.0.0.1:8081/bar.ddc.js',
+  'url': '',
   'scriptId': '71',
   'lineNumber': 40,
   'columnNumber': 1,
 });
 
+final Map<String, WipScript> scripts = {
+  '69': WipScript(<String, dynamic>{
+    'url': 'http://127.0.0.1:8081/foo.ddc.js',
+  }),
+  '71': WipScript(<String, dynamic>{
+    'url': 'http://127.0.0.1:8081/bar.ddc.js',
+  }),
+};
+
 void main() async {
   setUpAll(() async {
-    webkitDebugger = FakeWebkitDebugger();
+    webkitDebugger = FakeWebkitDebugger(scripts: scripts);
     pausedController = StreamController<DebuggerPausedEvent>();
     webkitDebugger.onPaused = pausedController.stream;
     globalLoadStrategy = TestStrategy();
diff --git a/dwds/test/fixtures/fakes.dart b/dwds/test/fixtures/fakes.dart
index 36227f6fc..d26534724 100644
--- a/dwds/test/fixtures/fakes.dart
+++ b/dwds/test/fixtures/fakes.dart
@@ -115,9 +115,6 @@ class FakeModules implements Modules {
     throw UnimplementedError();
   }
 
-  @override
-  String moduleForScriptId(String serverId) => '';
-
   @override
   Future<String> moduleForSource(String serverPath) {
     throw UnimplementedError();
@@ -135,13 +132,14 @@ class FakeModules implements Modules {
 }
 
 class FakeWebkitDebugger implements WebkitDebugger {
+  final Map<String, WipScript> _scripts;
   @override
   Future disable() => null;
 
   @override
   Future enable() => null;
 
-  FakeWebkitDebugger() {
+  FakeWebkitDebugger({Map<String, WipScript> scripts}) : _scripts = scripts {
     globalLoadStrategy = RequireStrategy(
         ReloadConfiguration.none,
         (_) async => {},
@@ -185,7 +183,7 @@ class FakeWebkitDebugger implements WebkitDebugger {
   Future<WipResponse> resume() => null;
 
   @override
-  Map<String, WipScript> get scripts => null;
+  Map<String, WipScript> get scripts => _scripts;
 
   List<WipResponse> results = variables1;
   int resultsReturned = 0;
diff --git a/mono_repo.yaml b/mono_repo.yaml
index 4a8914115..d3a706144 100644
--- a/mono_repo.yaml
+++ b/mono_repo.yaml
@@ -8,6 +8,6 @@ github:
     pull_request:
   env:
     DISPLAY: ':99'
-    
+
 merge_stages:
 - analyzer_and_format
diff --git a/webdev/pubspec.yaml b/webdev/pubspec.yaml
index 6463845cb..bc8701683 100644
--- a/webdev/pubspec.yaml
+++ b/webdev/pubspec.yaml
@@ -48,9 +48,9 @@ dev_dependencies:
   webdriver: ^3.0.0
 
 # Uncomment for development versions
-# dependency_overrides:
-#   dwds:
-#     path: ../dwds
+dependency_overrides:
+  dwds:
+    path: ../dwds
 
 executables:
   webdev: