import { OnChanges } from "@angular/core";
import { Observable } from "rxjs";
/**
 *  @publicApi
 *  @description
 *  Creates a stream on accumulated {@link OnChanges} of a component.
 *
 * @param component
 * @param input
 */
export declare function useOnChangesState$<I extends Record<string, any>, C extends OnChanges, K extends keyof C>(component: C, ...input: Array<K>): Observable<I>;