import { vtkObject } from './../../interfaces';

/**
 *
 */
export interface IProgressHandlerInitialValues {
  workCount?: number;
}

export interface vtkProgressHandler extends vtkObject {
  /**
   *
   */
  getWorkCount(): number;

  /**
   *
   */
  startWork(): void;

  /**
   *
   */
  stopWork(): void;

  /**
   *
   */
  isWorking(): boolean;

  /**
   *
   * @param promise
   */
  wrapPromise(promise: any): Promise<any>;

  /**
   *
   * @param fn
   */
  wrapPromiseFunction(fn: any): any;
}

/**
 * Method used to decorate a given object (publicAPI+model) with vtkProgressHandler characteristics.
 *
 * @param publicAPI object on which methods will be bounds (public)
 * @param model object on which data structure will be bounds (protected)
 * @param {IProgressHandlerInitialValues} [initialValues] (default: {})
 */
export function extend(
  publicAPI: object,
  model: object,
  initialValues?: IProgressHandlerInitialValues
): void;

/**
 * Method used to create a new instance of vtkProgressHandler
 * @param {IProgressHandlerInitialValues} [initialValues] for pre-setting some of its content
 */
export function newInstance(
  initialValues?: IProgressHandlerInitialValues
): vtkProgressHandler;

/**
 * vtkProgressHandler stores dataset topologies as an explicit connectivity table
 * listing the point ids that make up each cell.
 *
 * @see vtkDataArray
 */
export declare const vtkProgressHandler: {
  newInstance: typeof newInstance;
  extend: typeof extend;
};
export default vtkProgressHandler;