import { BlockScrollStrategy, CloseScrollStrategy, PositionStrategy, RepositionScrollStrategy } from '@angular/cdk/overlay';
import { OnDestroy } from '@angular/core';
import { OverlayPositionConfig } from './overlay-position-config';
import { OverlayBaseComponent } from './overlay-base';
import * as i0 from "@angular/core";
export declare class GraniteOverlayTriggerForBaseDirective implements OnDestroy {
    /** Client output device information */
    private _clientOutput;
    /** Client input device information */
    private _clientInput;
    private _dir;
    protected componentRef: OverlayBaseComponent;
    protected selector: string;
    protected offsetX: number;
    protected offsetY: number;
    private _overlayRef;
    private _overlay;
    private _element;
    private _viewContainerRef;
    private _overlayService;
    ngOnDestroy(): void;
    protected getPositionConfig(): OverlayPositionConfig;
    protected getPositionStrategy(): PositionStrategy;
    protected getScrollStrategy(): RepositionScrollStrategy | BlockScrollStrategy | CloseScrollStrategy;
    protected setScrollStrategy(scrollStrategy: 'reposition' | 'block' | 'close'): RepositionScrollStrategy | BlockScrollStrategy | CloseScrollStrategy;
    protected toggleOverlay(isOpen: boolean): boolean;
    protected onOutsideClick(): void;
    private _openOverlay;
    private _closeOverlay;
    static ɵfac: i0.ɵɵFactoryDeclaration<GraniteOverlayTriggerForBaseDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<GraniteOverlayTriggerForBaseDirective, "[graniteOverlayTriggerForBase]", never, {}, {}, never, never, false, never>;
}