import { AfterViewInit, ElementRef, OnChanges, OnDestroy, OnInit } from '@angular/core';
import { ɵGlobalEvents } from '../../../core';
import { FixedToParentConfig } from '../classes';
import * as i0 from "@angular/core";
/**
 * Adapts the position of the element to the position of the parent element.
 *
 * Useful when used with the {@link AppendToBodyDirective}.
 *
 * The child element will be appended to the body and "save" position near the parent element
 * as if it continues to be inside the parent element.
 **/
export declare class FixedToParentDirective implements OnChanges, OnInit, AfterViewInit, OnDestroy {
    private readonly hostRef;
    private readonly globalEvents;
    /** Configuration of directive */
    parameters: FixedToParentConfig | undefined | '';
    /** Configuration of directive */
    get config(): FixedToParentConfig;
    private _config;
    private targetElement;
    private parentElement;
    private readonly intervalChecker;
    private readonly destroyed$;
    private readonly isEnabled$;
    private get destroyedOrDisabled$();
    constructor(hostRef: ElementRef<HTMLElement>, globalEvents: ɵGlobalEvents);
    ngOnChanges(): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    /** @internal */
    private initDocumentWheelObserver;
    private adjustCoordinates;
    private updateIntervalCheckerSettings;
    static ɵfac: i0.ɵɵFactoryDeclaration<FixedToParentDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FixedToParentDirective, "[oFixedToParent]", never, { "parameters": "oFixedToParent"; }, {}, never>;
}