import { AfterViewChecked } from '@angular/core';
import 'material-design-lite';
import * as i0 from "@angular/core";
export declare class MaterialUpgradeDirective implements AfterViewChecked {
    constructor();
    ngAfterViewChecked(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<MaterialUpgradeDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<MaterialUpgradeDirective, "[mdl]", never, {}, {}, never, never, false, never>;
}