import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, Renderer2, SimpleChanges } from '@angular/core';
import * as i0 from "@angular/core";
export declare abstract class ItAbstractComponent implements AfterViewInit, OnChanges {
    /**
     * The element ID
     */
    id: string;
    /**
     * Fired when component input attributes was changed
     */
    valueChanges: EventEmitter<void>;
    /**
     * Counter of active instances
     * @private
     */
    private static instances;
    protected readonly _renderer: Renderer2;
    protected readonly _elementRef: ElementRef;
    protected readonly _changeDetectorRef: ChangeDetectorRef;
    constructor();
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * Generate unique id for components
     * @private
     */
    private getDefaultId;
    static ɵfac: i0.ɵɵFactoryDeclaration<ItAbstractComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ItAbstractComponent, "ng-component", never, { "id": { "alias": "id"; "required": false; }; }, { "valueChanges": "valueChanges"; }, never, never, false, never>;
}