import { MmUIComponent } from './component'

export interface target {
  /**
   * The function passed into the target property
   */
  (): HTMLElement
}

/** BackTop Component  */
export declare class MmBackTop extends MmUIComponent {
  /** When container scroll top equal this then show component */
  visibilityHeight: number

  /** Specify container */
  target: target

  /** Transition ease function */
  transition: string

  /** Transition duration */
  duration: number
}