import { AfterViewInit, ChangeDetectorRef, DoCheck, ElementRef, OnDestroy } from '@angular/core';
import * as i0 from "@angular/core";
export declare class RemoveClassnamesDirective implements AfterViewInit, DoCheck, OnDestroy {
    private readonly el;
    private readonly cdr;
    private _observer;
    removeClassnames: string[];
    constructor(el: ElementRef, cdr: ChangeDetectorRef);
    ngAfterViewInit(): void;
    ngDoCheck(): void;
    ngOnDestroy(): void;
    private removeClasses;
    static ɵfac: i0.ɵɵFactoryDeclaration<RemoveClassnamesDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RemoveClassnamesDirective, "[removeClassnames]", never, { "removeClassnames": { "alias": "removeClassnames"; "required": false; }; }, {}, never, never, true, never>;
}
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