diff --git a/src/lib/es5.d.ts b/src/lib/es5.d.ts
index b8c0c0d6bda39..6f6f4c493009a 100644
--- a/src/lib/es5.d.ts
+++ b/src/lib/es5.d.ts
@@ -177,14 +177,14 @@ interface ObjectConstructor {
      * @param p The property name.
      * @param attributes Descriptor for the property. It can be for a data property or an accessor property.
      */
-    defineProperty(o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>): any;
+    defineProperty<T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>): T;
 
     /**
      * Adds one or more properties to an object, and/or modifies attributes of existing properties.
      * @param o Object on which to add or modify the properties. This can be a native JavaScript object or a DOM object.
      * @param properties JavaScript object that contains one or more descriptor objects. Each descriptor object describes a data property or an accessor property.
      */
-    defineProperties(o: any, properties: PropertyDescriptorMap & ThisType<any>): any;
+    defineProperties<T>(o: T, properties: PropertyDescriptorMap & ThisType<any>): T;
 
     /**
      * Prevents the modification of attributes of existing properties, and prevents the addition of new properties.
diff --git a/tests/baselines/reference/checkExportsObjectAssignProperty.types b/tests/baselines/reference/checkExportsObjectAssignProperty.types
index a029a2aef6df9..60fcd84477a12 100644
--- a/tests/baselines/reference/checkExportsObjectAssignProperty.types
+++ b/tests/baselines/reference/checkExportsObjectAssignProperty.types
@@ -175,10 +175,10 @@ m2.setonlyAccessor = 0;
 
 === tests/cases/conformance/jsdoc/mod1.js ===
 Object.defineProperty(exports, "thing", { value: 42, writable: true });
->Object.defineProperty(exports, "thing", { value: 42, writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "thing", { value: 42, writable: true }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"thing" : "thing"
 >{ value: 42, writable: true } : { value: number; writable: true; }
@@ -188,10 +188,10 @@ Object.defineProperty(exports, "thing", { value: 42, writable: true });
 >true : true
 
 Object.defineProperty(exports, "readonlyProp", { value: "Smith", writable: false });
->Object.defineProperty(exports, "readonlyProp", { value: "Smith", writable: false }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "readonlyProp", { value: "Smith", writable: false }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"readonlyProp" : "readonlyProp"
 >{ value: "Smith", writable: false } : { value: string; writable: false; }
@@ -201,10 +201,10 @@ Object.defineProperty(exports, "readonlyProp", { value: "Smith", writable: false
 >false : false
 
 Object.defineProperty(exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } });
->Object.defineProperty(exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"rwAccessors" : "rwAccessors"
 >{ get() { return 98122 }, set(_) { /*ignore*/ } } : { get(): number; set(_: any): void; }
@@ -214,10 +214,10 @@ Object.defineProperty(exports, "rwAccessors", { get() { return 98122 }, set(_) {
 >_ : any
 
 Object.defineProperty(exports, "readonlyAccessor", { get() { return 21.75 } });
->Object.defineProperty(exports, "readonlyAccessor", { get() { return 21.75 } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "readonlyAccessor", { get() { return 21.75 } }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"readonlyAccessor" : "readonlyAccessor"
 >{ get() { return 21.75 } } : { get(): number; }
@@ -225,10 +225,10 @@ Object.defineProperty(exports, "readonlyAccessor", { get() { return 21.75 } });
 >21.75 : 21.75
 
 Object.defineProperty(exports, "setonlyAccessor", {
->Object.defineProperty(exports, "setonlyAccessor", {    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)     }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "setonlyAccessor", {    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)     }}) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"setonlyAccessor" : "setonlyAccessor"
 >{    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)     }} : { set(str: string): void; }
@@ -251,10 +251,10 @@ Object.defineProperty(exports, "setonlyAccessor", {
 
 === tests/cases/conformance/jsdoc/mod2.js ===
 Object.defineProperty(module.exports, "thing", { value: "yes", writable: true });
->Object.defineProperty(module.exports, "thing", { value: "yes", writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "thing", { value: "yes", writable: true }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -266,10 +266,10 @@ Object.defineProperty(module.exports, "thing", { value: "yes", writable: true })
 >true : true
 
 Object.defineProperty(module.exports, "readonlyProp", { value: "Smith", writable: false });
->Object.defineProperty(module.exports, "readonlyProp", { value: "Smith", writable: false }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "readonlyProp", { value: "Smith", writable: false }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -281,10 +281,10 @@ Object.defineProperty(module.exports, "readonlyProp", { value: "Smith", writable
 >false : false
 
 Object.defineProperty(module.exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } });
->Object.defineProperty(module.exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -296,10 +296,10 @@ Object.defineProperty(module.exports, "rwAccessors", { get() { return 98122 }, s
 >_ : any
 
 Object.defineProperty(module.exports, "readonlyAccessor", { get() { return 21.75 } });
->Object.defineProperty(module.exports, "readonlyAccessor", { get() { return 21.75 } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "readonlyAccessor", { get() { return 21.75 } }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -309,10 +309,10 @@ Object.defineProperty(module.exports, "readonlyAccessor", { get() { return 21.75
 >21.75 : 21.75
 
 Object.defineProperty(module.exports, "setonlyAccessor", {
->Object.defineProperty(module.exports, "setonlyAccessor", {    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)     }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "setonlyAccessor", {    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)     }}) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
diff --git a/tests/baselines/reference/checkExportsObjectAssignPrototypeProperty.types b/tests/baselines/reference/checkExportsObjectAssignPrototypeProperty.types
index 085f6cf008ef9..6ea6a5ff129b8 100644
--- a/tests/baselines/reference/checkExportsObjectAssignPrototypeProperty.types
+++ b/tests/baselines/reference/checkExportsObjectAssignPrototypeProperty.types
@@ -129,9 +129,9 @@ Person.prototype.describe = function () {
 };
 Object.defineProperty(Person.prototype, "thing", { value: 42, writable: true });
 >Object.defineProperty(Person.prototype, "thing", { value: 42, writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Person.prototype : any
 >Person : typeof Person
 >prototype : any
@@ -144,9 +144,9 @@ Object.defineProperty(Person.prototype, "thing", { value: 42, writable: true });
 
 Object.defineProperty(Person.prototype, "readonlyProp", { value: "Smith", writable: false });
 >Object.defineProperty(Person.prototype, "readonlyProp", { value: "Smith", writable: false }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Person.prototype : any
 >Person : typeof Person
 >prototype : any
@@ -159,9 +159,9 @@ Object.defineProperty(Person.prototype, "readonlyProp", { value: "Smith", writab
 
 Object.defineProperty(Person.prototype, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } });
 >Object.defineProperty(Person.prototype, "rwAccessors", { get() { return 98122 }, set(_) { /*ignore*/ } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Person.prototype : any
 >Person : typeof Person
 >prototype : any
@@ -174,9 +174,9 @@ Object.defineProperty(Person.prototype, "rwAccessors", { get() { return 98122 },
 
 Object.defineProperty(Person.prototype, "readonlyAccessor", { get() { return 21.75 } });
 >Object.defineProperty(Person.prototype, "readonlyAccessor", { get() { return 21.75 } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Person.prototype : any
 >Person : typeof Person
 >prototype : any
@@ -187,9 +187,9 @@ Object.defineProperty(Person.prototype, "readonlyAccessor", { get() { return 21.
 
 Object.defineProperty(Person.prototype, "setonlyAccessor", {
 >Object.defineProperty(Person.prototype, "setonlyAccessor", {    /** @param {string} str */    set(str) {        this.rwAccessors = Number(str)    }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Person.prototype : any
 >Person : typeof Person
 >prototype : any
diff --git a/tests/baselines/reference/checkObjectDefineProperty.types b/tests/baselines/reference/checkObjectDefineProperty.types
index 79467e4dc2ede..05f8b200c51f8 100644
--- a/tests/baselines/reference/checkObjectDefineProperty.types
+++ b/tests/baselines/reference/checkObjectDefineProperty.types
@@ -88,10 +88,10 @@ const x = {};
 >{} : {}
 
 Object.defineProperty(x, "name", { value: "Charles", writable: true });
->Object.defineProperty(x, "name", { value: "Charles", writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "name", { value: "Charles", writable: true }) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"name" : "name"
 >{ value: "Charles", writable: true } : { value: string; writable: true; }
@@ -101,10 +101,10 @@ Object.defineProperty(x, "name", { value: "Charles", writable: true });
 >true : true
 
 Object.defineProperty(x, "middleInit", { value: "H" });
->Object.defineProperty(x, "middleInit", { value: "H" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "middleInit", { value: "H" }) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"middleInit" : "middleInit"
 >{ value: "H" } : { value: string; }
@@ -112,10 +112,10 @@ Object.defineProperty(x, "middleInit", { value: "H" });
 >"H" : "H"
 
 Object.defineProperty(x, "lastName", { value: "Smith", writable: false });
->Object.defineProperty(x, "lastName", { value: "Smith", writable: false }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "lastName", { value: "Smith", writable: false }) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"lastName" : "lastName"
 >{ value: "Smith", writable: false } : { value: string; writable: false; }
@@ -125,10 +125,10 @@ Object.defineProperty(x, "lastName", { value: "Smith", writable: false });
 >false : false
 
 Object.defineProperty(x, "zip", { get() { return 98122 }, set(_) { /*ignore*/ } });
->Object.defineProperty(x, "zip", { get() { return 98122 }, set(_) { /*ignore*/ } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "zip", { get() { return 98122 }, set(_) { /*ignore*/ } }) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"zip" : "zip"
 >{ get() { return 98122 }, set(_) { /*ignore*/ } } : { get(): number; set(_: any): void; }
@@ -138,10 +138,10 @@ Object.defineProperty(x, "zip", { get() { return 98122 }, set(_) { /*ignore*/ }
 >_ : any
 
 Object.defineProperty(x, "houseNumber", { get() { return 21.75 } });
->Object.defineProperty(x, "houseNumber", { get() { return 21.75 } }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "houseNumber", { get() { return 21.75 } }) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"houseNumber" : "houseNumber"
 >{ get() { return 21.75 } } : { get(): number; }
@@ -149,10 +149,10 @@ Object.defineProperty(x, "houseNumber", { get() { return 21.75 } });
 >21.75 : 21.75
 
 Object.defineProperty(x, "zipStr", {
->Object.defineProperty(x, "zipStr", {    /** @param {string} str */    set(str) {        this.zip = Number(str)     }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(x, "zipStr", {    /** @param {string} str */    set(str) {        this.zip = Number(str)     }}) : typeof x
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >x : typeof x
 >"zipStr" : "zipStr"
 >{    /** @param {string} str */    set(str) {        this.zip = Number(str)     }} : { set(str: string): void; }
diff --git a/tests/baselines/reference/checkOtherObjectAssignProperty.types b/tests/baselines/reference/checkOtherObjectAssignProperty.types
index 83204a02ffe64..180ea63989945 100644
--- a/tests/baselines/reference/checkOtherObjectAssignProperty.types
+++ b/tests/baselines/reference/checkOtherObjectAssignProperty.types
@@ -88,10 +88,10 @@ const obj = { value: 42, writable: true };
 >true : true
 
 Object.defineProperty(exports, "thing", obj);
->Object.defineProperty(exports, "thing", obj) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "thing", obj) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"thing" : "thing"
 >obj : { value: number; writable: boolean; }
@@ -105,10 +105,10 @@ let str = /** @type {string} */("other");
 >"other" : "other"
 
 Object.defineProperty(exports, str, { value: 42, writable: true });
->Object.defineProperty(exports, str, { value: 42, writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, str, { value: 42, writable: true }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >str : string
 >{ value: 42, writable: true } : { value: number; writable: true; }
@@ -122,10 +122,10 @@ const propName = "prop"
 >"prop" : "prop"
 
 Object.defineProperty(exports, propName, { value: 42, writable: true });
->Object.defineProperty(exports, propName, { value: 42, writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, propName, { value: 42, writable: true }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >propName : "prop"
 >{ value: 42, writable: true } : { value: number; writable: true; }
@@ -136,19 +136,19 @@ Object.defineProperty(exports, propName, { value: 42, writable: true });
 
 
 Object.defineProperty(exports, "bad1", { });
->Object.defineProperty(exports, "bad1", { }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "bad1", { }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"bad1" : "bad1"
 >{ } : {}
 
 Object.defineProperty(exports, "bad2", { get() { return 12 }, value: "no" });
->Object.defineProperty(exports, "bad2", { get() { return 12 }, value: "no" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "bad2", { get() { return 12 }, value: "no" }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"bad2" : "bad2"
 >{ get() { return 12 }, value: "no" } : { get(): number; value: string; }
@@ -158,10 +158,10 @@ Object.defineProperty(exports, "bad2", { get() { return 12 }, value: "no" });
 >"no" : "no"
 
 Object.defineProperty(exports, "bad3", { writable: true });
->Object.defineProperty(exports, "bad3", { writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(exports, "bad3", { writable: true }) : typeof import("tests/cases/conformance/jsdoc/mod1")
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >exports : typeof import("tests/cases/conformance/jsdoc/mod1")
 >"bad3" : "bad3"
 >{ writable: true } : { writable: true; }
diff --git a/tests/baselines/reference/ensureNoCrashExportAssignmentDefineProperrtyPotentialMerge.types b/tests/baselines/reference/ensureNoCrashExportAssignmentDefineProperrtyPotentialMerge.types
index eb25a6fbbef45..c566d1897b08d 100644
--- a/tests/baselines/reference/ensureNoCrashExportAssignmentDefineProperrtyPotentialMerge.types
+++ b/tests/baselines/reference/ensureNoCrashExportAssignmentDefineProperrtyPotentialMerge.types
@@ -13,10 +13,10 @@ module.exports = 12;
 >12 : 12
 
 Object.defineProperty(module, "exports", { value: "oh no" });
->Object.defineProperty(module, "exports", { value: "oh no" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module, "exports", { value: "oh no" }) : typeof module
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module : typeof module
 >"exports" : "exports"
 >{ value: "oh no" } : { value: string; }
@@ -58,10 +58,10 @@ B.NS = require("./namespacey");
 >"./namespacey" : "./namespacey"
 
 Object.defineProperty(B, "NS", { value: "why though", writable: true });
->Object.defineProperty(B, "NS", { value: "why though", writable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(B, "NS", { value: "why though", writable: true }) : typeof B
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >B : typeof B
 >"NS" : "NS"
 >{ value: "why though", writable: true } : { value: string; writable: true; }
diff --git a/tests/baselines/reference/esNextWeakRefs_IterableWeakMap.types b/tests/baselines/reference/esNextWeakRefs_IterableWeakMap.types
index 662b7437b03a5..79e54575127f7 100644
--- a/tests/baselines/reference/esNextWeakRefs_IterableWeakMap.types
+++ b/tests/baselines/reference/esNextWeakRefs_IterableWeakMap.types
@@ -306,10 +306,10 @@ export class IterableWeakMap<K extends object, V> implements WeakMap<K, V> {
 }
 
 Object.defineProperties(IterableWeakMap.prototype, {
->Object.defineProperties(IterableWeakMap.prototype, {    [Symbol.iterator]: {        configurable: true,        enumerable: false,        writable: true,        value: Object.getOwnPropertyDescriptor(            IterableWeakMap.prototype,            "entries",        )!.value,    },    [Symbol.toStringTag]: {        configurable: true,        enumerable: false,        writable: false,        value: "IterableWeakMap",    },}) : any
->Object.defineProperties : (o: any, properties: PropertyDescriptorMap & ThisType<any>) => any
+>Object.defineProperties(IterableWeakMap.prototype, {    [Symbol.iterator]: {        configurable: true,        enumerable: false,        writable: true,        value: Object.getOwnPropertyDescriptor(            IterableWeakMap.prototype,            "entries",        )!.value,    },    [Symbol.toStringTag]: {        configurable: true,        enumerable: false,        writable: false,        value: "IterableWeakMap",    },}) : IterableWeakMap<any, any>
+>Object.defineProperties : <T>(o: T, properties: PropertyDescriptorMap & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperties : (o: any, properties: PropertyDescriptorMap & ThisType<any>) => any
+>defineProperties : <T>(o: T, properties: PropertyDescriptorMap & ThisType<any>) => T
 >IterableWeakMap.prototype : IterableWeakMap<any, any>
 >IterableWeakMap : typeof IterableWeakMap
 >prototype : IterableWeakMap<any, any>
diff --git a/tests/baselines/reference/excessPropertyCheckWithEmptyObject.types b/tests/baselines/reference/excessPropertyCheckWithEmptyObject.types
index 3893ea1999e27..3c748f7fd923b 100644
--- a/tests/baselines/reference/excessPropertyCheckWithEmptyObject.types
+++ b/tests/baselines/reference/excessPropertyCheckWithEmptyObject.types
@@ -3,10 +3,10 @@
 
 // Excess property error expected here
 Object.defineProperty(window, "prop", { value: "v1.0.0", readonly: false });
->Object.defineProperty(window, "prop", { value: "v1.0.0", readonly: false }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(window, "prop", { value: "v1.0.0", readonly: false }) : Window & typeof globalThis
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >window : Window & typeof globalThis
 >"prop" : "prop"
 >{ value: "v1.0.0", readonly: false } : { value: string; readonly: boolean; }
diff --git a/tests/baselines/reference/getterSetterNonAccessor.types b/tests/baselines/reference/getterSetterNonAccessor.types
index 1d9484f9bc9a6..5f9a658b575f0 100644
--- a/tests/baselines/reference/getterSetterNonAccessor.types
+++ b/tests/baselines/reference/getterSetterNonAccessor.types
@@ -8,10 +8,10 @@ function setFunc(v){}
 >v : any
 
 Object.defineProperty({}, "0", <PropertyDescriptor>({
->Object.defineProperty({}, "0", <PropertyDescriptor>({          get: getFunc,          set: setFunc,          configurable: true      })) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty({}, "0", <PropertyDescriptor>({          get: getFunc,          set: setFunc,          configurable: true      })) : {}
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >{} : {}
 >"0" : "0"
 ><PropertyDescriptor>({          get: getFunc,          set: setFunc,          configurable: true      }) : PropertyDescriptor
diff --git a/tests/baselines/reference/importAliasModuleExports.types b/tests/baselines/reference/importAliasModuleExports.types
index 795b161a34890..2067e8b8d74e4 100644
--- a/tests/baselines/reference/importAliasModuleExports.types
+++ b/tests/baselines/reference/importAliasModuleExports.types
@@ -41,10 +41,10 @@ A.prototype.func = function() { this._func = 0; }
 >0 : 0
 
 Object.defineProperty(A.prototype, "def", { value: 0 });
->Object.defineProperty(A.prototype, "def", { value: 0 }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(A.prototype, "def", { value: 0 }) : A
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >A.prototype : A
 >A : typeof A
 >prototype : A
diff --git a/tests/baselines/reference/javascriptDefinePropertyPrototypeNonConstructor.types b/tests/baselines/reference/javascriptDefinePropertyPrototypeNonConstructor.types
index b08c924117a3b..7dbd38d69dffa 100644
--- a/tests/baselines/reference/javascriptDefinePropertyPrototypeNonConstructor.types
+++ b/tests/baselines/reference/javascriptDefinePropertyPrototypeNonConstructor.types
@@ -5,9 +5,9 @@ function Graphic() {
 
 Object.defineProperty(Graphic.prototype, "instance", {
 >Object.defineProperty(Graphic.prototype, "instance", {  get: function() {    return this;  }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Graphic.prototype : any
 >Graphic : typeof Graphic
 >prototype : any
diff --git a/tests/baselines/reference/jsCheckObjectDefineThisNoCrash.types b/tests/baselines/reference/jsCheckObjectDefineThisNoCrash.types
index 626a1aec6216b..e175b0527772f 100644
--- a/tests/baselines/reference/jsCheckObjectDefineThisNoCrash.types
+++ b/tests/baselines/reference/jsCheckObjectDefineThisNoCrash.types
@@ -5,10 +5,10 @@ class C {
     constructor() {
         // Neither of the following should be recognized as declarations yet
         Object.defineProperty(this, "_prop", { value: {} });
->Object.defineProperty(this, "_prop", { value: {} }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(this, "_prop", { value: {} }) : this
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >this : this
 >"_prop" : "_prop"
 >{ value: {} } : { value: {}; }
@@ -17,9 +17,9 @@ class C {
 
         Object.defineProperty(this._prop, "num", { value: 12 });
 >Object.defineProperty(this._prop, "num", { value: 12 }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >this._prop : any
 >this : this
 >_prop : any
diff --git a/tests/baselines/reference/jsDeclarationsExportDefinePropertyEmit.types b/tests/baselines/reference/jsDeclarationsExportDefinePropertyEmit.types
index ca0f272f55a52..fc664ec5d19a6 100644
--- a/tests/baselines/reference/jsDeclarationsExportDefinePropertyEmit.types
+++ b/tests/baselines/reference/jsDeclarationsExportDefinePropertyEmit.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/jsdoc/declarations/index.js ===
 Object.defineProperty(module.exports, "a", { value: function a() {} });
->Object.defineProperty(module.exports, "a", { value: function a() {} }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "a", { value: function a() {} }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -14,10 +14,10 @@ Object.defineProperty(module.exports, "a", { value: function a() {} });
 >a : () => void
 
 Object.defineProperty(module.exports, "b", { value: function b() {} });
->Object.defineProperty(module.exports, "b", { value: function b() {} }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "b", { value: function b() {} }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -28,10 +28,10 @@ Object.defineProperty(module.exports, "b", { value: function b() {} });
 >b : () => void
 
 Object.defineProperty(module.exports.b, "cat", { value: "cat" });
->Object.defineProperty(module.exports.b, "cat", { value: "cat" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports.b, "cat", { value: "cat" }) : () => void
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports.b : () => void
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
@@ -55,10 +55,10 @@ function d(a, b) { return /** @type {*} */(null); }
 >null : null
 
 Object.defineProperty(module.exports, "d", { value: d });
->Object.defineProperty(module.exports, "d", { value: d }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "d", { value: d }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -82,10 +82,10 @@ function e(a, b) { return /** @type {*} */(null); }
 >null : null
 
 Object.defineProperty(module.exports, "e", { value: e });
->Object.defineProperty(module.exports, "e", { value: e }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "e", { value: e }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -106,10 +106,10 @@ function f(a) {
 >a : T
 }
 Object.defineProperty(module.exports, "f", { value: f });
->Object.defineProperty(module.exports, "f", { value: f }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "f", { value: f }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -119,10 +119,10 @@ Object.defineProperty(module.exports, "f", { value: f });
 >f : <T>(a: T) => T
 
 Object.defineProperty(module.exports.f, "self", { value: module.exports.f });
->Object.defineProperty(module.exports.f, "self", { value: module.exports.f }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports.f, "self", { value: module.exports.f }) : <T>(a: T) => T
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports.f : <T>(a: T) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
@@ -157,10 +157,10 @@ function g(a, b) {
 >y : () => void
 }
 Object.defineProperty(module.exports, "g", { value: g });
->Object.defineProperty(module.exports, "g", { value: g }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "g", { value: g }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -190,10 +190,10 @@ function hh(a, b) {
 >y : () => void
 }
 Object.defineProperty(module.exports, "h", { value: hh });
->Object.defineProperty(module.exports, "h", { value: hh }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "h", { value: hh }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -203,10 +203,10 @@ Object.defineProperty(module.exports, "h", { value: hh });
 >hh : (a: { x: string; }, b: { y: () => void; }) => void
 
 Object.defineProperty(module.exports, "i", { value: function i(){} });
->Object.defineProperty(module.exports, "i", { value: function i(){} }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "i", { value: function i(){} }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -217,10 +217,10 @@ Object.defineProperty(module.exports, "i", { value: function i(){} });
 >i : () => void
 
 Object.defineProperty(module.exports, "ii", { value: module.exports.i });
->Object.defineProperty(module.exports, "ii", { value: module.exports.i }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "ii", { value: module.exports.i }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -235,10 +235,10 @@ Object.defineProperty(module.exports, "ii", { value: module.exports.i });
 
 // note that this last one doesn't make much sense in cjs, since exports aren't hoisted bindings
 Object.defineProperty(module.exports, "jj", { value: module.exports.j });
->Object.defineProperty(module.exports, "jj", { value: module.exports.j }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "jj", { value: module.exports.j }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -252,10 +252,10 @@ Object.defineProperty(module.exports, "jj", { value: module.exports.j });
 >j : () => void
 
 Object.defineProperty(module.exports, "j", { value: function j() {} });
->Object.defineProperty(module.exports, "j", { value: function j() {} }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, "j", { value: function j() {} }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
diff --git a/tests/baselines/reference/jsDeclarationsGetterSetter.types b/tests/baselines/reference/jsDeclarationsGetterSetter.types
index 42c3e08e13611..146600cc4151e 100644
--- a/tests/baselines/reference/jsDeclarationsGetterSetter.types
+++ b/tests/baselines/reference/jsDeclarationsGetterSetter.types
@@ -41,10 +41,10 @@ export class D {}
 >D : D
 
 Object.defineProperty(D.prototype, "x", {
->Object.defineProperty(D.prototype, "x", {    get() {        return 12;    }}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(D.prototype, "x", {    get() {        return 12;    }}) : D
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >D.prototype : D
 >D : typeof D
 >prototype : D
@@ -63,10 +63,10 @@ export class E {}
 >E : E
 
 Object.defineProperty(E.prototype, "x", {
->Object.defineProperty(E.prototype, "x", {    /**     * @param {number} _arg     */    set(_arg) {}}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(E.prototype, "x", {    /**     * @param {number} _arg     */    set(_arg) {}}) : E
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >E.prototype : E
 >E : typeof E
 >prototype : E
@@ -86,10 +86,10 @@ export class F {}
 >F : F
 
 Object.defineProperty(F.prototype, "x", {
->Object.defineProperty(F.prototype, "x", {    get() {        return 12;    },    /**     * @param {number} _arg     */    set(_arg) {}}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(F.prototype, "x", {    get() {        return 12;    },    /**     * @param {number} _arg     */    set(_arg) {}}) : F
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >F.prototype : F
 >F : typeof F
 >prototype : F
diff --git a/tests/baselines/reference/jsExpandoObjectDefineProperty.types b/tests/baselines/reference/jsExpandoObjectDefineProperty.types
index 4192b27425e4d..fb25ede2da462 100644
--- a/tests/baselines/reference/jsExpandoObjectDefineProperty.types
+++ b/tests/baselines/reference/jsExpandoObjectDefineProperty.types
@@ -4,10 +4,10 @@ var chrome = {}
 >{} : {}
 
 Object.defineProperty(chrome, 'devtools', { value: {}, enumerable: true })
->Object.defineProperty(chrome, 'devtools', { value: {}, enumerable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(chrome, 'devtools', { value: {}, enumerable: true }) : typeof chrome
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >chrome : typeof chrome
 >'devtools' : "devtools"
 >{ value: {}, enumerable: true } : { value: {}; enumerable: true; }
diff --git a/tests/baselines/reference/jsFileESModuleWithEnumTag.types b/tests/baselines/reference/jsFileESModuleWithEnumTag.types
index bc66add7f507b..4ecc2d0fdd6a5 100644
--- a/tests/baselines/reference/jsFileESModuleWithEnumTag.types
+++ b/tests/baselines/reference/jsFileESModuleWithEnumTag.types
@@ -33,10 +33,10 @@ ChangeDetectionStrategy[ChangeDetectionStrategy.Default] = 'Default';
 >'Default' : "Default"
 
 Object.defineProperty(ChangeDetectionStrategy, "aField", {value: 42});
->Object.defineProperty(ChangeDetectionStrategy, "aField", {value: 42}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(ChangeDetectionStrategy, "aField", {value: 42}) : { OnPush: number; Default: number; }
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >ChangeDetectionStrategy : { OnPush: number; Default: number; }
 >"aField" : "aField"
 >{value: 42} : { value: number; }
diff --git a/tests/baselines/reference/lateBoundAssignmentDeclarationSupport3.types b/tests/baselines/reference/lateBoundAssignmentDeclarationSupport3.types
index 5909bdbaa63f4..7f6c8d2c42ada 100644
--- a/tests/baselines/reference/lateBoundAssignmentDeclarationSupport3.types
+++ b/tests/baselines/reference/lateBoundAssignmentDeclarationSupport3.types
@@ -31,10 +31,10 @@ const _str = "my-fake-sym";
 >"my-fake-sym" : "my-fake-sym"
 
 Object.defineProperty(module.exports, _sym, { value: "ok" });
->Object.defineProperty(module.exports, _sym, { value: "ok" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, _sym, { value: "ok" }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
@@ -44,10 +44,10 @@ Object.defineProperty(module.exports, _sym, { value: "ok" });
 >"ok" : "ok"
 
 Object.defineProperty(module.exports, _str, { value: "ok" });
->Object.defineProperty(module.exports, _str, { value: "ok" }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(module.exports, _str, { value: "ok" }) : typeof module.exports
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >module.exports : typeof module.exports
 >module : { exports: typeof module.exports; }
 >exports : typeof module.exports
diff --git a/tests/baselines/reference/lateBoundAssignmentDeclarationSupport6.types b/tests/baselines/reference/lateBoundAssignmentDeclarationSupport6.types
index 31b00f9cd7719..754ff5f67dbfe 100644
--- a/tests/baselines/reference/lateBoundAssignmentDeclarationSupport6.types
+++ b/tests/baselines/reference/lateBoundAssignmentDeclarationSupport6.types
@@ -51,9 +51,9 @@ F.prototype.defsAClass = true;
 
 Object.defineProperty(F.prototype, _str, {value: "ok"});
 >Object.defineProperty(F.prototype, _str, {value: "ok"}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >F.prototype : any
 >F : typeof F
 >prototype : any
@@ -64,9 +64,9 @@ Object.defineProperty(F.prototype, _str, {value: "ok"});
 
 Object.defineProperty(F.prototype, _sym, {value: "ok"});
 >Object.defineProperty(F.prototype, _sym, {value: "ok"}) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >F.prototype : any
 >F : typeof F
 >prototype : any
diff --git a/tests/baselines/reference/objectLitGetterSetter.types b/tests/baselines/reference/objectLitGetterSetter.types
index 8484a6d26dc89..54c587890f8ac 100644
--- a/tests/baselines/reference/objectLitGetterSetter.types
+++ b/tests/baselines/reference/objectLitGetterSetter.types
@@ -4,10 +4,10 @@
 >{} : {}
 
             Object.defineProperty(obj, "accProperty", <PropertyDescriptor>({
->Object.defineProperty(obj, "accProperty", <PropertyDescriptor>({                get: function () {                    eval("public = 1;");                    return 11;                },                set: function (v) {                }            })) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty(obj, "accProperty", <PropertyDescriptor>({                get: function () {                    eval("public = 1;");                    return 11;                },                set: function (v) {                }            })) : {}
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >obj : {}
 >"accProperty" : "accProperty"
 ><PropertyDescriptor>({                get: function () {                    eval("public = 1;");                    return 11;                },                set: function (v) {                }            }) : PropertyDescriptor
diff --git a/tests/baselines/reference/parserUsingConstructorAsIdentifier.types b/tests/baselines/reference/parserUsingConstructorAsIdentifier.types
index 2a330b89a9026..0034fa0e136e5 100644
--- a/tests/baselines/reference/parserUsingConstructorAsIdentifier.types
+++ b/tests/baselines/reference/parserUsingConstructorAsIdentifier.types
@@ -90,9 +90,9 @@
 
                 Object.defineProperty(constructor.prototype, "constructor", { value: constructor, writable: true, configurable: true, enumerable: true });
 >Object.defineProperty(constructor.prototype, "constructor", { value: constructor, writable: true, configurable: true, enumerable: true }) : any
->Object.defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>Object.defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >Object : ObjectConstructor
->defineProperty : (o: any, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => any
+>defineProperty : <T>(o: T, p: PropertyKey, attributes: PropertyDescriptor & ThisType<any>) => T
 >constructor.prototype : any
 >constructor : any
 >prototype : any
diff --git a/tests/lib/lib.d.ts b/tests/lib/lib.d.ts
index ad23d2d322b4b..7f5cbf72e724d 100644
--- a/tests/lib/lib.d.ts
+++ b/tests/lib/lib.d.ts
@@ -178,14 +178,14 @@ interface ObjectConstructor {
       * @param p The property name.
       * @param attributes Descriptor for the property. It can be for a data property or an accessor property.
       */
-    defineProperty(o: any, p: string, attributes: PropertyDescriptor): any;
+    defineProperty<T>(o: T, p: string, attributes: PropertyDescriptor): T;
 
     /**
       * Adds one or more properties to an object, and/or modifies attributes of existing properties.
       * @param o Object on which to add or modify the properties. This can be a native JavaScript object or a DOM object.
       * @param properties JavaScript object that contains one or more descriptor objects. Each descriptor object describes a data property or an accessor property.
       */
-    defineProperties(o: any, properties: PropertyDescriptorMap): any;
+    defineProperties<T>(o: T, properties: PropertyDescriptorMap): T;
 
     /**
       * Prevents the modification of attributes of existing properties, and prevents the addition of new properties.