import { type ObservableInput } from 'rxjs';
/**
 * Checks if the provided input is an ObservableInput<T>.
 *
 * ObservableInput<T> is a type that includes:
 *   - Observable<T>
 *   - InteropObservable<T>
 *   - PromiseLike<T>
 *   - ArrayLike<T>
 *   - Iterable<T>
 *   - AsyncIterable<T>
 *   - ReadableStreamLike<T>
 *
 * @template T The type of the value emitted or resolved by the input.
 * @param input The value to check.
 * @returns True if the input matches ObservableInput<T>, otherwise false.
 */
export declare function isObservableInput<T>(input: ObservableInput<T>): input is ObservableInput<T>;
export declare function isObservableInput(input: any): input is ObservableInput<unknown>;