//// [emitClassExpressionInDeclarationFile2.ts] export var noPrivates = class { static getTags() { } tags() { } private static ps = -1 private p = 12 } // altered repro from #15066 to add private property export class FooItem { foo(): void { } name?: string; private property = "capitalism" } export type Constructor = new(...args: any[]) => T; export function WithTags>(Base: T) { return class extends Base { static getTags(): void { } tags(): void { } } } export class Test extends WithTags(FooItem) {} const test = new Test(); Test.getTags() test.tags(); //// [emitClassExpressionInDeclarationFile2.js] "use strict"; var __extends = (this && this.__extends) || (function () { var extendStatics = function (d, b) { extendStatics = Object.setPrototypeOf || ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) || function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; }; return extendStatics(d, b); }; return function (d, b) { if (typeof b !== "function" && b !== null) throw new TypeError("Class extends value " + String(b) + " is not a constructor or null"); extendStatics(d, b); function __() { this.constructor = d; } d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __()); }; })(); var _a; exports.__esModule = true; exports.Test = exports.WithTags = exports.FooItem = exports.noPrivates = void 0; exports.noPrivates = (_a = /** @class */ (function () { function class_1() { this.p = 12; } class_1.getTags = function () { }; class_1.prototype.tags = function () { }; return class_1; }()), _a.ps = -1, _a); // altered repro from #15066 to add private property var FooItem = /** @class */ (function () { function FooItem() { this.property = "capitalism"; } FooItem.prototype.foo = function () { }; return FooItem; }()); exports.FooItem = FooItem; function WithTags(Base) { return /** @class */ (function (_super) { __extends(class_2, _super); function class_2() { return _super !== null && _super.apply(this, arguments) || this; } class_2.getTags = function () { }; class_2.prototype.tags = function () { }; return class_2; }(Base)); } exports.WithTags = WithTags; var Test = /** @class */ (function (_super) { __extends(Test, _super); function Test() { return _super !== null && _super.apply(this, arguments) || this; } return Test; }(WithTags(FooItem))); exports.Test = Test; var test = new Test(); Test.getTags(); test.tags();