import { Observable } from "tns-core-modules/data/observable"; export class TestExample extends Observable { private _name: string; private _path: string; constructor(name: string, path: string) { super(); this._name = name; this._path = path; } get name(): string { return this._name; } set name(value: string) { if (this._name !== value) { this._name = value; } } get path(): string { return this._path; } set path(value: string) { if (this._path !== value) { this._path = value; } } }