/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
import { FastDomNode } from "../../fastDomNode.mjs";
import { Disposable } from "../../../common/lifecycle.mjs";
import { ScrollbarVisibility } from "../../../common/scrollable.mjs";
export declare class ScrollbarVisibilityController extends Disposable {
    private _visibility;
    private _visibleClassName;
    private _invisibleClassName;
    private _domNode;
    private _rawShouldBeVisible;
    private _shouldBeVisible;
    private _isNeeded;
    private _isVisible;
    private _revealTimer;
    constructor(visibility: ScrollbarVisibility, visibleClassName: string, invisibleClassName: string);
    setVisibility(visibility: ScrollbarVisibility): void;
    setShouldBeVisible(rawShouldBeVisible: boolean): void;
    private _applyVisibilitySetting;
    private _updateShouldBeVisible;
    setIsNeeded(isNeeded: boolean): void;
    setDomNode(domNode: FastDomNode<HTMLElement>): void;
    ensureVisibility(): void;
    private _reveal;
    private _hide;
}