import { ToolbarElement } from './ToolbarElement';
interface IToolbarDropdownElementConfig<T> {
    items: {
        key: string;
        value: T;
        text: string;
        default?: boolean;
    }[];
    overlayElementWidth: number;
    entryElementHeight: number;
    topOffset: number;
}
export declare class ToolbarDropdownElement<T extends {
    toString: () => string;
}> extends ToolbarElement {
    readonly name: string;
    readonly config: IToolbarDropdownElementConfig<T>;
    entryElement: HTMLDivElement;
    overlayElement: HTMLDivElement;
    constructor(overlayContainer: HTMLDivElement, name: string, config: IToolbarDropdownElementConfig<T>);
    getEntryElement(): HTMLElement;
    setFormat(format: {
        [key: string]: Set<any>;
    }): void;
    protected initDom(): void;
    protected initEvent(): void;
    protected showOverlay(): void;
    protected hideOverlay(): void;
    protected onDocumentMousedown: (event: MouseEvent) => void;
}
export {};