import { ElementRef, Renderer2, SimpleChange } from '@angular/core';
export declare class Applier {
    protected el: ElementRef;
    protected renderer: Renderer2;
    protected baseClass: string;
    constructor(el: ElementRef, renderer: Renderer2, baseClass: string);
    protected applyChange(change: SimpleChange, el: ElementRef): void;
    protected static hasValueChanged(change: SimpleChange): boolean;
    protected addClass(cls: string, el: ElementRef): void;
    protected removeClass(cls: string, el: ElementRef): void;
    protected applyAttribute(change: SimpleChange, attribute: string): void;
}