import { PipeTransform } from "@angular/core";
import { NgxFileUploadState } from "@ngx-file-upload/core";
import * as i0 from "@angular/core";
/**
 * converts upload state to string value
 *
 * @example
 * <span>{{upload.state | stateToString}}</span>
 * // prints one of these idle, pending, progress, completed, start, invalid, canceled
 */
export declare class StateToStringPipe implements PipeTransform {
    transform(state: NgxFileUploadState): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<StateToStringPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<StateToStringPipe, "stateToString", false>;
}