import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class UnionPipe implements PipeTransform {
    transform(a?: any, b?: any): any;
    static ɵfac: i0.ɵɵFactoryDeclaration<UnionPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<UnionPipe, "union", false>;
}
export declare class NgUnionPipeModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<NgUnionPipeModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<NgUnionPipeModule, [typeof UnionPipe], never, [typeof UnionPipe]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<NgUnionPipeModule>;
}