import { PipeTransform } from '@angular/core';
import { Observable } from 'rxjs';
import { UiFileSizeIntl } from './file-size.intl';
import * as i0 from "@angular/core";
export declare class UiFileSizePipe implements PipeTransform {
    private readonly _intl;
    FileSizeUnits: {
        key: (size: string) => Observable<string>;
        divider: number;
    }[];
    constructor(_intl: UiFileSizeIntl);
    transform(value: number | null | undefined): Observable<string>;
    static ɵfac: i0.ɵɵFactoryDeclaration<UiFileSizePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<UiFileSizePipe, "uiFileSize", false>;
}