diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index e0dea081f67e8..a49311208c151 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -5575,15 +5575,14 @@ namespace ts {
                 }
             }
 
+            function isStringNamed(d: Declaration) {
+                const name = getNameOfDeclaration(d);
+                return !!name && isStringLiteral(name);
+            }
+
             function isSingleQuotedStringNamed(d: Declaration) {
                 const name = getNameOfDeclaration(d);
-                if (name && isStringLiteral(name) && (
-                    name.singleQuote ||
-                    (!nodeIsSynthesized(name) && startsWith(getTextOfNode(name, /*includeTrivia*/ false), "'"))
-                )) {
-                    return true;
-                }
-                return false;
+                return !!(name && isStringLiteral(name) && (name.singleQuote || !nodeIsSynthesized(name) && startsWith(getTextOfNode(name, /*includeTrivia*/ false), "'")));
             }
 
             function getPropertyNameNodeForSymbol(symbol: Symbol, context: NodeBuilderContext) {
@@ -5596,7 +5595,8 @@ namespace ts {
                     return factory.createComputedPropertyName(factory.createPropertyAccessExpression(factory.createIdentifier("Symbol"), (symbol.escapedName as string).substr(3)));
                 }
                 const rawName = unescapeLeadingUnderscores(symbol.escapedName);
-                return createPropertyNameNodeForIdentifierOrLiteral(rawName, singleQuote);
+                const stringNamed = !!length(symbol.declarations) && every(symbol.declarations, isStringNamed);
+                return createPropertyNameNodeForIdentifierOrLiteral(rawName, stringNamed, singleQuote);
             }
 
             // See getNameForSymbolFromNameType for a stringy equivalent
@@ -5619,9 +5619,9 @@ namespace ts {
                 }
             }
 
-            function createPropertyNameNodeForIdentifierOrLiteral(name: string, singleQuote?: boolean) {
+            function createPropertyNameNodeForIdentifierOrLiteral(name: string, stringNamed?: boolean, singleQuote?: boolean) {
                 return isIdentifierText(name, compilerOptions.target) ? factory.createIdentifier(name) :
-                    isNumericLiteralName(name) && +name >= 0 ? factory.createNumericLiteral(+name) :
+                    !stringNamed && isNumericLiteralName(name) && +name >= 0 ? factory.createNumericLiteral(+name) :
                     factory.createStringLiteral(name, !!singleQuote);
             }
 
diff --git a/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.errors.txt b/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.errors.txt
index 42a844922027c..ef0a9267441da 100644
--- a/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.errors.txt
+++ b/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.errors.txt
@@ -11,8 +11,8 @@ tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignme
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(34,5): error TS2741: Property ''1.'' is missing in type 'S' but required in type '{ '1.': string; bar?: string; }'.
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(35,5): error TS2741: Property ''1.'' is missing in type 'S2' but required in type '{ '1.': string; bar?: string; }'.
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(36,5): error TS2741: Property ''1.'' is missing in type '{ '1.0': string; }' but required in type '{ '1.': string; bar?: string; }'.
-tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(38,5): error TS2741: Property ''1.0'' is missing in type '{ 1: string; }' but required in type '{ '1.0': string; }'.
-tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(39,5): error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type '{ 1: string; }'.
+tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(38,5): error TS2741: Property ''1.0'' is missing in type '{ '1': string; }' but required in type '{ '1.0': string; }'.
+tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(39,5): error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type '{ '1': string; }'.
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(42,5): error TS2741: Property ''1.0'' is missing in type 'T' but required in type '{ '1.0': string; }'.
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(65,5): error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type 'S'.
 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts(71,5): error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type 'S2'.
@@ -108,11 +108,11 @@ tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignme
     
         a2 = b2;
         ~~
-!!! error TS2741: Property ''1.0'' is missing in type '{ 1: string; }' but required in type '{ '1.0': string; }'.
+!!! error TS2741: Property ''1.0'' is missing in type '{ '1': string; }' but required in type '{ '1.0': string; }'.
 !!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts:18:16: ''1.0'' is declared here.
         b2 = a2;
         ~~
-!!! error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type '{ 1: string; }'.
+!!! error TS2741: Property ''1'' is missing in type '{ '1.0': string; }' but required in type '{ '1': string; }'.
 !!! related TS2728 tests/cases/conformance/types/typeRelationships/assignmentCompatibility/assignmentCompatWithObjectMembersStringNumericNames.ts:19:16: ''1'' is declared here.
         a2 = b; // ok
         a2 = t2; // ok
diff --git a/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.types b/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.types
index 6f10223d69cc1..be89c806241b8 100644
--- a/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.types
+++ b/tests/baselines/reference/assignmentCompatWithObjectMembersStringNumericNames.types
@@ -50,8 +50,8 @@ module JustStrings {
 >'' : ""
 
     var b2 = { '1': '' };
->b2 : { 1: string; }
->{ '1': '' } : { 1: string; }
+>b2 : { '1': string; }
+>{ '1': '' } : { '1': string; }
 >'1' : string
 >'' : ""
 
@@ -126,13 +126,13 @@ module JustStrings {
 >a2 : { '1.0': string; }
 
     a2 = b2;
->a2 = b2 : { 1: string; }
+>a2 = b2 : { '1': string; }
 >a2 : { '1.0': string; }
->b2 : { 1: string; }
+>b2 : { '1': string; }
 
     b2 = a2;
 >b2 = a2 : { '1.0': string; }
->b2 : { 1: string; }
+>b2 : { '1': string; }
 >a2 : { '1.0': string; }
 
     a2 = b; // ok
diff --git a/tests/baselines/reference/assignmentIndexedToPrimitives.errors.txt b/tests/baselines/reference/assignmentIndexedToPrimitives.errors.txt
index 11d5839042a52..88c822f6dcb60 100644
--- a/tests/baselines/reference/assignmentIndexedToPrimitives.errors.txt
+++ b/tests/baselines/reference/assignmentIndexedToPrimitives.errors.txt
@@ -8,7 +8,7 @@ tests/cases/compiler/assignmentIndexedToPrimitives.ts(8,7): error TS2322: Type '
 tests/cases/compiler/assignmentIndexedToPrimitives.ts(9,7): error TS2322: Type 'string[]' is not assignable to type '"01"'.
 tests/cases/compiler/assignmentIndexedToPrimitives.ts(11,7): error TS2322: Type '{ 0: number; }' is not assignable to type 'number'.
 tests/cases/compiler/assignmentIndexedToPrimitives.ts(13,7): error TS2322: Type '{ 0: number; }' is not assignable to type 'string'.
-tests/cases/compiler/assignmentIndexedToPrimitives.ts(14,7): error TS2322: Type '{ 0: number; }' is not assignable to type 'string'.
+tests/cases/compiler/assignmentIndexedToPrimitives.ts(14,7): error TS2322: Type '{ "0": number; }' is not assignable to type 'string'.
 tests/cases/compiler/assignmentIndexedToPrimitives.ts(15,7): error TS2322: Type '{ 0: string; }' is not assignable to type 'string'.
 
 
@@ -48,7 +48,7 @@ tests/cases/compiler/assignmentIndexedToPrimitives.ts(15,7): error TS2322: Type
 !!! error TS2322: Type '{ 0: number; }' is not assignable to type 'string'.
     const so2: string = { "0": 1 };
           ~~~
-!!! error TS2322: Type '{ 0: number; }' is not assignable to type 'string'.
+!!! error TS2322: Type '{ "0": number; }' is not assignable to type 'string'.
     const so3: string = { 0: "1" };
           ~~~
 !!! error TS2322: Type '{ 0: string; }' is not assignable to type 'string'.
diff --git a/tests/baselines/reference/assignmentIndexedToPrimitives.types b/tests/baselines/reference/assignmentIndexedToPrimitives.types
index b380008f78d17..7c36c89b1e9fa 100644
--- a/tests/baselines/reference/assignmentIndexedToPrimitives.types
+++ b/tests/baselines/reference/assignmentIndexedToPrimitives.types
@@ -56,7 +56,7 @@ const so1: string = { 0: 1 };
 
 const so2: string = { "0": 1 };
 >so2 : string
->{ "0": 1 } : { 0: number; }
+>{ "0": 1 } : { "0": number; }
 >"0" : number
 >1 : 1
 
diff --git a/tests/baselines/reference/deepKeysIndexing.types b/tests/baselines/reference/deepKeysIndexing.types
index 2ab3088178153..d76919c719cf0 100644
--- a/tests/baselines/reference/deepKeysIndexing.types
+++ b/tests/baselines/reference/deepKeysIndexing.types
@@ -33,7 +33,7 @@ type keys2workaround<O extends DeepObject, K1 extends keyof O> = Extract<
 
 interface Foo extends DeepObject {
   a: {
->a : { 1: 123; 2: string; 3: boolean; }
+>a : { "1": 123; "2": string; "3": boolean; }
 
     "1": 123;
 >"1" : 123
diff --git a/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES5.types b/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES5.types
index fe69d2d49aeeb..629c56389c5ce 100644
--- a/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES5.types
+++ b/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES5.types
@@ -5,7 +5,7 @@
 >({ "1": "one", "2": "two" } as { [key: string]: string })[x] : string
 >({ "1": "one", "2": "two" } as { [key: string]: string }) : { [key: string]: string; }
 >{ "1": "one", "2": "two" } as { [key: string]: string } : { [key: string]: string; }
->{ "1": "one", "2": "two" } : { 1: string; 2: string; }
+>{ "1": "one", "2": "two" } : { "1": string; "2": string; }
 >"1" : string
 >"one" : "one"
 >"2" : string
@@ -19,7 +19,7 @@
 >({ "1": "one", "2": "two" } as { [key: string]: string }).x : string
 >({ "1": "one", "2": "two" } as { [key: string]: string }) : { [key: string]: string; }
 >{ "1": "one", "2": "two" } as { [key: string]: string } : { [key: string]: string; }
->{ "1": "one", "2": "two" } : { 1: string; 2: string; }
+>{ "1": "one", "2": "two" } : { "1": string; "2": string; }
 >"1" : string
 >"one" : "one"
 >"2" : string
diff --git a/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES6.types b/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES6.types
index 3f64b945c1db2..47093bbffe4a7 100644
--- a/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES6.types
+++ b/tests/baselines/reference/emitAccessExpressionOfCastedObjectLiteralExpressionInArrowFunctionES6.types
@@ -5,7 +5,7 @@
 >({ "1": "one", "2": "two" } as { [key: string]: string })[x] : string
 >({ "1": "one", "2": "two" } as { [key: string]: string }) : { [key: string]: string; }
 >{ "1": "one", "2": "two" } as { [key: string]: string } : { [key: string]: string; }
->{ "1": "one", "2": "two" } : { 1: string; 2: string; }
+>{ "1": "one", "2": "two" } : { "1": string; "2": string; }
 >"1" : string
 >"one" : "one"
 >"2" : string
@@ -19,7 +19,7 @@
 >({ "1": "one", "2": "two" } as { [key: string]: string }).x : string
 >({ "1": "one", "2": "two" } as { [key: string]: string }) : { [key: string]: string; }
 >{ "1": "one", "2": "two" } as { [key: string]: string } : { [key: string]: string; }
->{ "1": "one", "2": "two" } : { 1: string; 2: string; }
+>{ "1": "one", "2": "two" } : { "1": string; "2": string; }
 >"1" : string
 >"one" : "one"
 >"2" : string
diff --git a/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.js b/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.js
index c3a36c0ba7180..a8cbbc231616e 100644
--- a/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.js
+++ b/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.js
@@ -51,9 +51,9 @@ export declare enum MouseButton {
 }
 export declare const DOMMouseButton: {
     '-1': MouseButton;
-    0: MouseButton;
-    1: MouseButton;
-    2: MouseButton;
-    3: MouseButton;
-    4: MouseButton;
+    "0": MouseButton;
+    "1": MouseButton;
+    "2": MouseButton;
+    "3": MouseButton;
+    "4": MouseButton;
 };
diff --git a/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.types b/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.types
index 955e942460ff5..2c54e07627708 100644
--- a/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.types
+++ b/tests/baselines/reference/enumKeysQuotedAsObjectPropertiesInDeclarationEmit.types
@@ -28,8 +28,8 @@ export enum MouseButton {
 }
 
 export const DOMMouseButton = {
->DOMMouseButton : { '-1': MouseButton; 0: MouseButton; 1: MouseButton; 2: MouseButton; 3: MouseButton; 4: MouseButton; }
->{	'-1': MouseButton.NO_BUTTON,	"0": MouseButton.LEFT_BUTTON,	"1": MouseButton.MIDDLE_BUTTON,	"2": MouseButton.RIGHT_BUTTON,	"3": MouseButton.XBUTTON1_BUTTON,	"4": MouseButton.XBUTTON2_BUTTON,} : { '-1': MouseButton; 0: MouseButton; 1: MouseButton; 2: MouseButton; 3: MouseButton; 4: MouseButton; }
+>DOMMouseButton : { '-1': MouseButton; "0": MouseButton; "1": MouseButton; "2": MouseButton; "3": MouseButton; "4": MouseButton; }
+>{	'-1': MouseButton.NO_BUTTON,	"0": MouseButton.LEFT_BUTTON,	"1": MouseButton.MIDDLE_BUTTON,	"2": MouseButton.RIGHT_BUTTON,	"3": MouseButton.XBUTTON1_BUTTON,	"4": MouseButton.XBUTTON2_BUTTON,} : { '-1': MouseButton; "0": MouseButton; "1": MouseButton; "2": MouseButton; "3": MouseButton; "4": MouseButton; }
 
 	'-1': MouseButton.NO_BUTTON,
 >'-1' : MouseButton
diff --git a/tests/baselines/reference/inferringAnyFunctionType1.types b/tests/baselines/reference/inferringAnyFunctionType1.types
index 2e0f33636968d..8f56d4a549a90 100644
--- a/tests/baselines/reference/inferringAnyFunctionType1.types
+++ b/tests/baselines/reference/inferringAnyFunctionType1.types
@@ -1,6 +1,6 @@
 === tests/cases/compiler/inferringAnyFunctionType1.ts ===
 function f<T extends { "0": (p1: number) => number }>(p: T): T {
->f : <T extends { 0: (p1: number) => number; }>(p: T) => T
+>f : <T extends { "0": (p1: number) => number; }>(p: T) => T
 >"0" : (p1: number) => number
 >p1 : number
 >p : T
@@ -12,7 +12,7 @@ function f<T extends { "0": (p1: number) => number }>(p: T): T {
 var v = f([x => x]);
 >v : [(x: number) => number]
 >f([x => x]) : [(x: number) => number]
->f : <T extends { 0: (p1: number) => number; }>(p: T) => T
+>f : <T extends { "0": (p1: number) => number; }>(p: T) => T
 >[x => x] : [(x: number) => number]
 >x => x : (x: number) => number
 >x : number
diff --git a/tests/baselines/reference/literalsInComputedProperties1.types b/tests/baselines/reference/literalsInComputedProperties1.types
index de2bdf113d43e..a1444fbbd7610 100644
--- a/tests/baselines/reference/literalsInComputedProperties1.types
+++ b/tests/baselines/reference/literalsInComputedProperties1.types
@@ -1,7 +1,7 @@
 === tests/cases/compiler/literalsInComputedProperties1.ts ===
 let x = {
->x : { 1: number; 2: number; 3: number; 4: number; }
->{    1:1,    [2]:1,    "3":1,    ["4"]:1} : { 1: number; 2: number; 3: number; 4: number; }
+>x : { 1: number; 2: number; "3": number; 4: number; }
+>{    1:1,    [2]:1,    "3":1,    ["4"]:1} : { 1: number; 2: number; "3": number; 4: number; }
 
     1:1,
 >1 : number
@@ -25,7 +25,7 @@ x[1].toExponential();
 >x[1].toExponential() : string
 >x[1].toExponential : (fractionDigits?: number) => string
 >x[1] : number
->x : { 1: number; 2: number; 3: number; 4: number; }
+>x : { 1: number; 2: number; "3": number; 4: number; }
 >1 : 1
 >toExponential : (fractionDigits?: number) => string
 
@@ -33,7 +33,7 @@ x[2].toExponential();
 >x[2].toExponential() : string
 >x[2].toExponential : (fractionDigits?: number) => string
 >x[2] : number
->x : { 1: number; 2: number; 3: number; 4: number; }
+>x : { 1: number; 2: number; "3": number; 4: number; }
 >2 : 2
 >toExponential : (fractionDigits?: number) => string
 
@@ -41,7 +41,7 @@ x[3].toExponential();
 >x[3].toExponential() : string
 >x[3].toExponential : (fractionDigits?: number) => string
 >x[3] : number
->x : { 1: number; 2: number; 3: number; 4: number; }
+>x : { 1: number; 2: number; "3": number; 4: number; }
 >3 : 3
 >toExponential : (fractionDigits?: number) => string
 
@@ -49,7 +49,7 @@ x[4].toExponential();
 >x[4].toExponential() : string
 >x[4].toExponential : (fractionDigits?: number) => string
 >x[4] : number
->x : { 1: number; 2: number; 3: number; 4: number; }
+>x : { 1: number; 2: number; "3": number; 4: number; }
 >4 : 4
 >toExponential : (fractionDigits?: number) => string
 
diff --git a/tests/baselines/reference/multipleNumericIndexers.types b/tests/baselines/reference/multipleNumericIndexers.types
index 60a88222718b6..1223f5bb0026c 100644
--- a/tests/baselines/reference/multipleNumericIndexers.types
+++ b/tests/baselines/reference/multipleNumericIndexers.types
@@ -39,7 +39,7 @@ var b: {
 >x : number
 
 } = { 1: '', "2": '' }
->{ 1: '', "2": '' } : { 1: string; 2: string; }
+>{ 1: '', "2": '' } : { 1: string; "2": string; }
 >1 : string
 >'' : ""
 >"2" : string
diff --git a/tests/baselines/reference/noImplicitAnyIndexing.types b/tests/baselines/reference/noImplicitAnyIndexing.types
index ad505a3eb579f..2bd27cb0c0b47 100644
--- a/tests/baselines/reference/noImplicitAnyIndexing.types
+++ b/tests/baselines/reference/noImplicitAnyIndexing.types
@@ -82,7 +82,7 @@ interface MyMap<T> {
 
 var m: MyMap<number> = {
 >m : MyMap<number>
->{    "0": 0,    "1": 1,    "2": 2,    "Okay that's enough for today.": NaN} : { 0: number; 1: number; 2: number; "Okay that's enough for today.": number; }
+>{    "0": 0,    "1": 1,    "2": 2,    "Okay that's enough for today.": NaN} : { "0": number; "1": number; "2": number; "Okay that's enough for today.": number; }
 
     "0": 0,
 >"0" : number
diff --git a/tests/baselines/reference/noImplicitAnyIndexingSuppressed.types b/tests/baselines/reference/noImplicitAnyIndexingSuppressed.types
index b1259fabf0346..fe10152e90c70 100644
--- a/tests/baselines/reference/noImplicitAnyIndexingSuppressed.types
+++ b/tests/baselines/reference/noImplicitAnyIndexingSuppressed.types
@@ -81,7 +81,7 @@ interface MyMap<T> {
 
 var m: MyMap<number> = {
 >m : MyMap<number>
->{    "0": 0,    "1": 1,    "2": 2,    "Okay that's enough for today.": NaN} : { 0: number; 1: number; 2: number; "Okay that's enough for today.": number; }
+>{    "0": 0,    "1": 1,    "2": 2,    "Okay that's enough for today.": NaN} : { "0": number; "1": number; "2": number; "Okay that's enough for today.": number; }
 
     "0": 0,
 >"0" : number
diff --git a/tests/baselines/reference/normalizedIntersectionTooComplex.types b/tests/baselines/reference/normalizedIntersectionTooComplex.types
index 985227fbc9431..a5069b6af28f0 100644
--- a/tests/baselines/reference/normalizedIntersectionTooComplex.types
+++ b/tests/baselines/reference/normalizedIntersectionTooComplex.types
@@ -20,112 +20,112 @@ type CtorOf<T> = (arg: UnionToIntersection<T>) => T;
 
 interface Big {
     "0": { common?: string; "0"?: number, ref?: Obj<Big["0"]> | Func<Big["0"]>; }
->"0" : { common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"0" : { common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"0" : number | undefined
->ref : Obj<{ common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "1": { common?: string; "1"?: number, ref?: Obj<Big["1"]> | Func<Big["1"]>; }
->"1" : { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"1" : { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"1" : number | undefined
->ref : Obj<{ common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "2": { common?: string; "2"?: number, ref?: Obj<Big["2"]> | Func<Big["2"]>; }
->"2" : { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"2" : { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"2" : number | undefined
->ref : Obj<{ common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "3": { common?: string; "3"?: number, ref?: Obj<Big["3"]> | Func<Big["3"]>; }
->"3" : { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"3" : { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"3" : number | undefined
->ref : Obj<{ common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "4": { common?: string; "4"?: number, ref?: Obj<Big["4"]> | Func<Big["4"]>; }
->"4" : { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"4" : { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"4" : number | undefined
->ref : Obj<{ common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "5": { common?: string; "5"?: number, ref?: Obj<Big["5"]> | Func<Big["5"]>; }
->"5" : { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"5" : { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"5" : number | undefined
->ref : Obj<{ common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "6": { common?: string; "6"?: number, ref?: Obj<Big["6"]> | Func<Big["6"]>; }
->"6" : { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"6" : { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"6" : number | undefined
->ref : Obj<{ common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "7": { common?: string; "7"?: number, ref?: Obj<Big["7"]> | Func<Big["7"]>; }
->"7" : { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"7" : { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"7" : number | undefined
->ref : Obj<{ common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "8": { common?: string; "8"?: number, ref?: Obj<Big["8"]> | Func<Big["8"]>; }
->"8" : { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"8" : { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"8" : number | undefined
->ref : Obj<{ common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "9": { common?: string; "9"?: number, ref?: Obj<Big["9"]> | Func<Big["9"]>; }
->"9" : { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"9" : { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"9" : number | undefined
->ref : Obj<{ common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "10": { common?: string; "10"?: number, ref?: Obj<Big["10"]> | Func<Big["10"]>; }
->"10" : { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"10" : { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"10" : number | undefined
->ref : Obj<{ common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "11": { common?: string; "11"?: number, ref?: Obj<Big["11"]> | Func<Big["11"]>; }
->"11" : { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"11" : { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"11" : number | undefined
->ref : Obj<{ common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "12": { common?: string; "12"?: number, ref?: Obj<Big["12"]> | Func<Big["12"]>; }
->"12" : { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"12" : { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"12" : number | undefined
->ref : Obj<{ common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "13": { common?: string; "13"?: number, ref?: Obj<Big["13"]> | Func<Big["13"]>; }
->"13" : { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"13" : { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"13" : number | undefined
->ref : Obj<{ common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "14": { common?: string; "14"?: number, ref?: Obj<Big["14"]> | Func<Big["14"]>; }
->"14" : { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"14" : { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"14" : number | undefined
->ref : Obj<{ common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "15": { common?: string; "15"?: number, ref?: Obj<Big["15"]> | Func<Big["15"]>; }
->"15" : { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"15" : { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"15" : number | undefined
->ref : Obj<{ common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "16": { common?: string; "16"?: number, ref?: Obj<Big["16"]> | Func<Big["16"]>; }
->"16" : { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"16" : { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"16" : number | undefined
->ref : Obj<{ common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 
     "17": { common?: string; "17"?: number, ref?: Obj<Big["17"]> | Func<Big["17"]>; }
->"17" : { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>"17" : { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
 >common : string | undefined
 >"17" : number | undefined
->ref : Obj<{ common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
+>ref : Obj<{ common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | Func<{ common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }> | undefined
 }
 declare function getCtor<T extends keyof Big>(comp: T): CtorOf<Big[T]>
 >getCtor : <T extends "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10" | "11" | "12" | "13" | "14" | "15" | "16" | "17">(comp: T) => CtorOf<Big[T]>
@@ -135,15 +135,15 @@ declare var all: keyof Big;
 >all : "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10" | "11" | "12" | "13" | "14" | "15" | "16" | "17"
 
 const ctor = getCtor(all);
->ctor : CtorOf<{ common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
->getCtor(all) : CtorOf<{ common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
+>ctor : CtorOf<{ common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
+>getCtor(all) : CtorOf<{ common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
 >getCtor : <T extends "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10" | "11" | "12" | "13" | "14" | "15" | "16" | "17">(comp: T) => CtorOf<Big[T]>
 >all : "0" | "1" | "2" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "10" | "11" | "12" | "13" | "14" | "15" | "16" | "17"
 
 const comp = ctor({ common: "ok", ref: x => console.log(x) });
->comp : { common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
->ctor({ common: "ok", ref: x => console.log(x) }) : { common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
->ctor : CtorOf<{ common?: string | undefined; 0?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 1?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 2?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 3?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 4?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 5?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 6?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 7?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 8?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 9?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 10?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 11?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 12?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 13?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 14?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 15?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 16?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; 17?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
+>comp : { common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>ctor({ common: "ok", ref: x => console.log(x) }) : { common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }
+>ctor : CtorOf<{ common?: string | undefined; "0"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "1"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "2"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "3"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "4"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "5"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "6"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "7"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "8"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "9"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "10"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "11"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "12"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "13"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "14"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "15"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "16"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; } | { common?: string | undefined; "17"?: number | undefined; ref?: Obj<any> | Func<any> | undefined; }>
 >{ common: "ok", ref: x => console.log(x) } : { common: string; ref: (x: any) => void; }
 >common : string
 >"ok" : "ok"
diff --git a/tests/baselines/reference/numericIndexerConstrainsPropertyDeclarations2.types b/tests/baselines/reference/numericIndexerConstrainsPropertyDeclarations2.types
index 06e80485a2bd5..73f5f6487682c 100644
--- a/tests/baselines/reference/numericIndexerConstrainsPropertyDeclarations2.types
+++ b/tests/baselines/reference/numericIndexerConstrainsPropertyDeclarations2.types
@@ -61,7 +61,7 @@ interface Foo2 {
 }
 
 var a: {
->a : { [x: number]: A; 1: A; 2: B; 2.5: B; 3: number; "4.0": string; }
+>a : { [x: number]: A; 1: A; 2: B; "2.5": B; 3: number; "4.0": string; }
 
     [x: number]: A;
 >x : number
@@ -87,7 +87,7 @@ var a: {
 var b: { [x: number]: A } = {
 >b : { [x: number]: A; }
 >x : number
->{    1.0: new A(),     2.0: new B(),     "2.5": new B(),    3.0: 1,    "4.0": ''} : { 1: A; 2: B; 2.5: B; 3: number; "4.0": string; }
+>{    1.0: new A(),     2.0: new B(),     "2.5": new B(),    3.0: 1,    "4.0": ''} : { 1: A; 2: B; "2.5": B; 3: number; "4.0": string; }
 
     1.0: new A(), 
 >1.0 : A
diff --git a/tests/baselines/reference/numericIndexingResults.types b/tests/baselines/reference/numericIndexingResults.types
index ebaee185cf844..f4e0d168e6e22 100644
--- a/tests/baselines/reference/numericIndexingResults.types
+++ b/tests/baselines/reference/numericIndexingResults.types
@@ -104,7 +104,7 @@ var r6 = i[3];
 >3 : 3
 
 var a: {
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 
     [x: number]: string;
 >x : number
@@ -119,43 +119,43 @@ var a: {
 var r1 = a['1'];
 >r1 : string
 >a['1'] : string
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >'1' : "1"
 
 var r2 = a['2'];
 >r2 : string
 >a['2'] : string
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >'2' : "2"
 
 var r3 = a['3'];
 >r3 : error
 >a['3'] : error
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >'3' : "3"
 
 var r4 = a[1];
 >r4 : string
 >a[1] : string
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >1 : 1
 
 var r5 = a[2];
 >r5 : string
 >a[2] : string
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >2 : 2
 
 var r6 = a[3];
 >r6 : string
 >a[3] : string
->a : { [x: number]: string; 1: string; 2: string; }
+>a : { [x: number]: string; 1: string; "2": string; }
 >3 : 3
 
 var b: { [x: number]: string } = { 1: '', "2": '' }
 >b : { [x: number]: string; }
 >x : number
->{ 1: '', "2": '' } : { 1: string; 2: string; }
+>{ 1: '', "2": '' } : { 1: string; "2": string; }
 >1 : string
 >'' : ""
 >"2" : string
@@ -198,11 +198,11 @@ var r6 = b[3];
 >3 : 3
 
 var b2: { [x: number]: string; 1: string; "2": string; } = { 1: '', "2": '' }
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >x : number
 >1 : string
 >"2" : string
->{ 1: '', "2": '' } : { 1: string; 2: string; }
+>{ 1: '', "2": '' } : { 1: string; "2": string; }
 >1 : string
 >'' : ""
 >"2" : string
@@ -211,36 +211,36 @@ var b2: { [x: number]: string; 1: string; "2": string; } = { 1: '', "2": '' }
 var r1b = b2['1'];
 >r1b : string
 >b2['1'] : string
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >'1' : "1"
 
 var r2b = b2['2'];
 >r2b : string
 >b2['2'] : string
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >'2' : "2"
 
 var r3 = b2['3'];
 >r3 : error
 >b2['3'] : error
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >'3' : "3"
 
 var r4 = b2[1];
 >r4 : string
 >b2[1] : string
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >1 : 1
 
 var r5 = b2[2];
 >r5 : string
 >b2[2] : string
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >2 : 2
 
 var r6 = b2[3];
 >r6 : string
 >b2[3] : string
->b2 : { [x: number]: string; 1: string; 2: string; }
+>b2 : { [x: number]: string; 1: string; "2": string; }
 >3 : 3
 
diff --git a/tests/baselines/reference/objectLiteralErrors.types b/tests/baselines/reference/objectLiteralErrors.types
index d0e3349a32df4..271b657fd630e 100644
--- a/tests/baselines/reference/objectLiteralErrors.types
+++ b/tests/baselines/reference/objectLiteralErrors.types
@@ -228,8 +228,8 @@ var f10 = { "a": 0, get 'a'() { return 0; } };
 >0 : 0
 
 var f11 = { 1.0: 0, get '1'() { return 0; } };
->f11 : { readonly 1: number; }
->{ 1.0: 0, get '1'() { return 0; } } : { readonly 1: number; }
+>f11 : { readonly '1': number; }
+>{ 1.0: 0, get '1'() { return 0; } } : { readonly '1': number; }
 >1.0 : number
 >0 : 0
 >'1' : number
diff --git a/tests/baselines/reference/objectLiteralExcessProperties.types b/tests/baselines/reference/objectLiteralExcessProperties.types
index 1ba6dffff0b12..812f48c89048c 100644
--- a/tests/baselines/reference/objectLiteralExcessProperties.types
+++ b/tests/baselines/reference/objectLiteralExcessProperties.types
@@ -84,7 +84,7 @@ interface Indexed {
 
 var b10: Indexed = { 0: { }, '1': { } }; // ok
 >b10 : Indexed
->{ 0: { }, '1': { } } : { 0: {}; 1: {}; }
+>{ 0: { }, '1': { } } : { 0: {}; '1': {}; }
 >0 : {}
 >{ } : {}
 >'1' : {}
diff --git a/tests/baselines/reference/objectTypeWithStringNamedNumericProperty.types b/tests/baselines/reference/objectTypeWithStringNamedNumericProperty.types
index 156ad55404338..a8eb2ce97d56b 100644
--- a/tests/baselines/reference/objectTypeWithStringNamedNumericProperty.types
+++ b/tests/baselines/reference/objectTypeWithStringNamedNumericProperty.types
@@ -278,7 +278,7 @@ var r13 = i[-01]
 >01 : 1
 
 var a: {
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 
     "0.1": void;
 >"0.1" : void
@@ -308,19 +308,19 @@ var a: {
 var r1 = a['0.1'];
 >r1 : void
 >a['0.1'] : void
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'0.1' : "0.1"
 
 var r2 = a['.1'];
 >r2 : Object
 >a['.1'] : Object
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'.1' : ".1"
 
 var r3 = a['1'];
 >r3 : number
 >a['1'] : number
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'1' : "1"
 
 var r3 = c[1];
@@ -332,7 +332,7 @@ var r3 = c[1];
 var r4 = a['1.'];
 >r4 : string
 >a['1.'] : string
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'1.' : "1."
 
 var r3 = c[1.]; // same as indexing by 1 when done numerically
@@ -344,13 +344,13 @@ var r3 = c[1.]; // same as indexing by 1 when done numerically
 var r5 = a['1..'];
 >r5 : boolean
 >a['1..'] : boolean
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'1..' : "1.."
 
 var r6 = a['1.0'];
 >r6 : Date
 >a['1.0'] : Date
->a : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
+>a : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": Date; }
 >'1.0' : "1.0"
 
 var r3 = c[1.0]; // same as indexing by 1 when done numerically
@@ -413,8 +413,8 @@ var r13 = i[-01]
 >01 : 1
 
 var b = {
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
->{    "0.1": <void>null,    ".1": new Object(),    "1": 1,    "1.": "",    "1..": true,    "1.0": new Date(),    "-1.0": /123/,    "-1": Date} : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>{    "0.1": <void>null,    ".1": new Object(),    "1": 1,    "1.": "",    "1..": true,    "1.0": new Date(),    "-1.0": /123/,    "-1": Date} : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 
     "0.1": <void>null,
 >"0.1" : void
@@ -456,19 +456,19 @@ var b = {
 var r1 = b['0.1'];
 >r1 : void
 >b['0.1'] : void
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'0.1' : "0.1"
 
 var r2 = b['.1'];
 >r2 : Object
 >b['.1'] : Object
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'.1' : ".1"
 
 var r3 = b['1'];
 >r3 : number
 >b['1'] : number
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'1' : "1"
 
 var r3 = c[1];
@@ -480,7 +480,7 @@ var r3 = c[1];
 var r4 = b['1.'];
 >r4 : string
 >b['1.'] : string
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'1.' : "1."
 
 var r3 = c[1.]; // same as indexing by 1 when done numerically
@@ -492,13 +492,13 @@ var r3 = c[1.]; // same as indexing by 1 when done numerically
 var r5 = b['1..'];
 >r5 : boolean
 >b['1..'] : boolean
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'1..' : "1.."
 
 var r6 = b['1.0'];
 >r6 : Date
 >b['1.0'] : Date
->b : { 0.1: void; ".1": Object; 1: number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
+>b : { "0.1": void; ".1": Object; "1": number; "1.": string; "1..": boolean; "1.0": Date; "-1.0": RegExp; "-1": DateConstructor; }
 >'1.0' : "1.0"
 
 var r3 = c[1.0]; // same as indexing by 1 when done numerically