import { ElementRef, EventEmitter, OnInit, OnDestroy, NgZone, ComponentFactoryResolver, ApplicationRef, Injector, TemplateRef } from '@angular/core';
export declare class SelectedTextTooltipDirective implements OnInit, OnDestroy {
    private elementRef;
    private zone;
    private componentFactoryResolver;
    private appRef;
    private injector;
    sttSelectedTextTooltip: TemplateRef<any>;
    sttSelectedText: EventEmitter<string>;
    private hasSelection;
    private tooltipComponentRef;
    /**
     * Constructor
     */
    constructor(elementRef: ElementRef, zone: NgZone, componentFactoryResolver: ComponentFactoryResolver, appRef: ApplicationRef, injector: Injector);
    /**
     * Component lifecycle
     */
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Methods
     */
    private getRangeContainer(range);
    private handleMousedown;
    private handleMouseup;
    private handleSelectionchange;
    private isRangeFullyContained(range);
    private processSelection();
    private showTooltip(viewportRectangle);
    private removeTooltip();
}