import { AfterViewInit, ElementRef, EventEmitter, OnChanges, OnDestroy, Renderer2, SimpleChanges } from '@angular/core';
import { Observable } from 'rxjs';
export declare class GasScrollbarComponent implements AfterViewInit, OnChanges, OnDestroy {
    private document;
    private renderer;
    private elementRef;
    scrolledRatio: number;
    viewRatio: number;
    isHorizontal: string | boolean;
    scrolled$: EventEmitter<number>;
    private scrollbarRef;
    private thumbRef;
    isDragging$: Observable<boolean>;
    private thumbLength;
    private thumbOffset;
    private scrollBarLength;
    private get scrollbarArea();
    private get scrollbar();
    private get thumb();
    private get hiddenLength();
    private changeSubject$;
    private grab$;
    private drop$;
    private destroyed$;
    constructor(document: any, renderer: Renderer2, elementRef: ElementRef);
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    private setAllScrollBarParams;
    private subscribeToDragAndDrop;
    private moveToPoint;
    private moveToPointIf;
    private mapToRatio;
    private fromDragEvent;
    private setScrollBarLength;
    private setThumbLength;
    private setThumbOffset;
    private getDelta;
}