import { PipeTransform } from "@angular/core";
import * as i0 from "@angular/core";
/**
 * format byte value into human readable value
 *
 * @example
 * <span>{{1024 | fileSize}}</span>
 * // prints out 1Kb
 *
 */
export declare class FileSizePipe implements PipeTransform {
    private units;
    transform(size: number): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<FileSizePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FileSizePipe, "fileSize", false>;
}