export declare const MENU_INITIATOR_CLASSNAME = "__remotion-studio-menu-initiator";
export declare const MENU_ITEM_CLASSNAME = "__remotion-studio-menu-item";
export declare const HORIZONTAL_SCROLLBAR_CLASSNAME = "__remotion-horizontal-scrollbar";
export declare const VERTICAL_SCROLLBAR_CLASSNAME = "__remotion-vertical-scrollbar";
export declare const isMenuItem: (el: HTMLElement) => boolean;