import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ToFilterColumnNamesPipe implements PipeTransform {
    transform(columns: string[]): string[];
    static ɵfac: i0.ɵɵFactoryDeclaration<ToFilterColumnNamesPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<ToFilterColumnNamesPipe, "toFilterColumnNames", true>;
}
