import { ChangeDetectorRef, OnDestroy, PipeTransform } from '@angular/core';
import { Observable, Subscription } from 'rxjs';
import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
import * as i0 from "@angular/core";
/**
 * Almost the same as |async pipe, but renders directly (detectChanges() instead of marking it only(markForCheck())
 * on ChangeDetectorRef.
 */
export declare class AsyncRenderPipe implements OnDestroy, PipeTransform {
    protected cd: ChangeDetectorRef;
    protected subscription?: Subscription;
    protected lastValue?: any;
    protected lastReturnedValue?: any;
    constructor(cd: ChangeDetectorRef);
    ngOnDestroy(): void;
    transform<T>(value?: Observable<T> | Promise<T>): T | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<AsyncRenderPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<AsyncRenderPipe, "asyncRender", false>;
}
export declare class ObjectURLPipe implements PipeTransform, OnDestroy {
    private sanitizer;
    protected lastUrl?: string;
    constructor(sanitizer: DomSanitizer);
    ngOnDestroy(): void;
    transform(buffer?: ArrayBuffer | ArrayBufferView, mimeType?: string): SafeUrl | undefined;
    static ɵfac: i0.ɵɵFactoryDeclaration<ObjectURLPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<ObjectURLPipe, "objectURL", false>;
}
export declare class HumanFileSizePipe implements PipeTransform {
    transform(bytes: number, si?: boolean): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<HumanFileSizePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<HumanFileSizePipe, "fileSize", false>;
}