import { FilterByPipe } from './filter-by';
import * as i0 from "@angular/core";
export declare class FilterByImpurePipe extends FilterByPipe {
    static ɵfac: i0.ɵɵFactoryDeclaration<FilterByImpurePipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<FilterByImpurePipe, "filterByImpure", false>;
}