import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import * as i0 from "@angular/core";
export declare class IsObservablePipe<T = any> implements PipeTransform {
    transform(value: T | Observable<T>): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<IsObservablePipe<any>, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<IsObservablePipe<any>, "isObservable", true>;
}