1 2 3 4 5 6 | 1 1 1 1 | import {Observable} from '../../../Observable'; import {findIndex} from '../../../operator/extended/findIndex'; import {KitchenSinkOperators} from '../../../Rx.KitchenSink'; const observableProto = (<KitchenSinkOperators<any>>Observable.prototype); observableProto.findIndex = findIndex; |