rxjs-compat
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TypeScript
import { Observable, ObservableInput } from 'rxjs';
export declare function switchMapTo<T, R>(this: Observable<T>, observable: ObservableInput<R>): Observable<R>;
export declare function switchMapTo<T, I, R>(this: Observable<T>, observable: ObservableInput<I>, resultSelector: (outerValue: T, innerValue: I, outerIndex: number, innerIndex: number) => R): Observable<R>;