import { PipeTransform } from '@angular/core';
import { MdlTreeOption } from '../models/tree-option';
import * as i0 from "@angular/core";
/** Retourne vrai si l'item doit être caché (parents pas expanded). */
export declare class MdlTreeItemHiddenPipe implements PipeTransform {
    transform(item: MdlTreeOption): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<MdlTreeItemHiddenPipe, never>;
    static ɵpipe: i0.ɵɵPipeDeclaration<MdlTreeItemHiddenPipe, "mdlTreeItemHidden", true>;
}