//// [declarationEmitExpressionInExtends.ts] var x: { new(s: any): Q; } class Q { s: string; } class B extends x { } var q: B; q.s; //// [declarationEmitExpressionInExtends.js] 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 x; var Q = /** @class */ (function () { function Q() { } return Q; }()); var B = /** @class */ (function (_super) { __extends(B, _super); function B() { return _super !== null && _super.apply(this, arguments) || this; } return B; }(x)); var q; q.s; //// [declarationEmitExpressionInExtends.d.ts] declare var x: { new (s: any): Q; }; declare class Q { s: string; } declare class B extends x { } declare var q: B;