declare type El = HTMLElement | SVGElement | null | undefined;

declare type SliderAlignment = 'left' | 'center' | 'right';

declare interface Rgba {
  r: number;
  g: number;
  b: number;
  a?: number;
}

declare interface DataOptions {
  isExpand?: boolean;
  startLabel?: string;
  endLabel?: string;
  dataId?: string;
}

declare interface DraggableOptions {
  /**
   * 允许拖拽
   */
  draggable: boolean;

  /**
   * @param all 全部层级可以任意拖拽
   * @param current 仅可以调整当前层级内容（默认）
   */
  level?: 'all' | 'current';
}