import { Observable, PartialObserver, Subscriber } from "rxjs";
export declare function inferPath(observable: Observable<any>): string;
export declare function inferType(observable: Observable<any>): string;
export declare function isObservable(arg: any): arg is Observable<any>;
export declare function toSubscriber<T>(observerOrNext?: PartialObserver<T> | ((value: T) => void), error?: (error: any) => void, complete?: () => void): Subscriber<T>;