Method dataSource

src/cdk/tree/tree.ts:167–169

()

   */
  @Input()
  get dataSource(): DataSource<T> | Observable<T[]> | T[] {
    return this._dataSource;
  }
  set dataSource(dataSource: DataSource<T> | Observable<T[]> | T[]) {
    if (this._dataSource !== dataSource) {
      this._switchDataSource(dataSource);