import { AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, OnChanges, OnDestroy, Renderer2, SimpleChanges } from '@angular/core';
/**
 * @description Scroll component
 * Used to replace browser scroll by custom
 * @example <gas-scroll>Content</gas-scroll>
 */
export declare class GasScrollComponent implements AfterViewInit, OnChanges, OnDestroy {
    elementRef: ElementRef;
    private renderer;
    private changeDetectorRef;
    /** @description  Sets overflow-x to hidden */
    overflowXHidden: string | boolean;
    /** @description Sets overflow-y to hidden */
    overflowYHidden: string | boolean;
    hideScrollbars: boolean;
    sizeType: 'small' | 'medium' | 'big';
    onXScroll$: EventEmitter<number>;
    onYScroll$: EventEmitter<number>;
    private containerRef;
    private contentWrapperRef;
    hasXScrollbar: boolean;
    xScrolledRatio: number;
    xViewRatio: number;
    hasYScrollbar: boolean;
    yScrolledRatio: number;
    yViewRatio: number;
    private resizeObserver;
    private get container();
    private get contentWrapper();
    private get xHiddenLength();
    private get yHiddenLength();
    private viewChanges$;
    constructor(elementRef: ElementRef, renderer: Renderer2, changeDetectorRef: ChangeDetectorRef);
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    xScroll(ratio: number): void;
    yScroll(ratio: number): void;
    ngOnDestroy(): void;
    private fromScrollEvent;
    private setScrollExistence;
    private setScrollPosition;
    private hideNativeScroll;
    private setContainerStyle;
    private getScrollbarWidth;
    private emitScrollLeft;
    private emitScrollTop;
}