export default class Adder {
    node: HTMLDivElement;
    editer: HTMLDivElement;
    callback: Function;
    editCallback: Function;
    constructor(element: HTMLDivElement, editer: HTMLDivElement);
    show(x: number, y: number, width: number, height: number): void;
    hide(): void;
    onAdd(callback: Function): void;
    onEdit(callback: Function): void;
    static init(container: HTMLDivElement): Adder;
}