export declare class ScrollbarStyleHandler {
    private readonly _styleElementId;
    private _scrollbarEnabled;
    private _isCustomScrollbarStyleEnabled;
    constructor();
    get scrollbarEnabled(): boolean;
    set scrollbarEnabled(value: boolean);
    get isCustomScrollbarStyleEnabled(): boolean;
    set isCustomScrollbarStyleEnabled(value: boolean);
    private _updateScrollbarStyle;
    private _setNoScrollStyle;
    private _setCustomScrollStyle;
    private _setDefaultScrollStyle;
    private _ensureStyleTagIsInDOM;
    private _ensureStyleTagRemovedFromDOM;
    private _buildNoScrollStyleElement;
    private _buildCustomScrollStyleElement;
    private _buildEmptyStyleElement;
}