import { PipeTransform } from '@angular/core';
import { EmptyValue } from '@angular-ru/cdk/typings';
import { JoinPipeOptions } from './join-pipe-options';
import * as i0 from "@angular/core";
export declare class JoinPipe implements PipeTransform {
    private readonly defaultSeparator;
    transform<T>(input: T[] | EmptyValue, { separator, mapTransformer }?: JoinPipeOptions<T>): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<JoinPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<JoinPipe, "join">;
}
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