import { PipeTransform } from '@angular/core';
import * as i0 from "@angular/core";
export declare class ExtractExtensionPipe implements PipeTransform {
    transform(filename: string): string;
    private extractExtension;
    static ɵfac: i0.ɵɵFactoryDeclaration<ExtractExtensionPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<ExtractExtensionPipe, "extractExtension", true>;
}