// @flow

declare class Class0 {
  static $call(message?: string): Class0;
  static captureStackTrace(target: Object, constructor?: Function): void;
  static prepareStackTrace: (err: Class0, stack: Array<CallSite>) => mixed;
  static stackTraceLimit: number;

  columnNumber?: number;
  description?: string;
  fileName?: string;
  lineNumber?: number;
  message: string;
  name: string;
  number?: number;
  stack: string;
  constructor(message?: mixed): void;
  toString(): string;
}
declare export class ZalgoPromise<R> {
  static all<X: [mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | [mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */, mixed /* UNEXPECTED TYPE: ExistsT */] | Array<mixed>>(promises: X): ZalgoPromise<mixed /* UNEXPECTED TYPE: EvalT */>;
  static asyncReject(error: mixed): ZalgoPromise<R>;
  static delay(delay: number): ZalgoPromise<void>;
  static flush(): ZalgoPromise<void>;
  static hash<O: {[_: string]: mixed /* UNEXPECTED TYPE: ExistsT */}>(promises: O): ZalgoPromise<mixed /* UNEXPECTED TYPE: EvalT */>;
  static isPromise(value: mixed): boolean;
  static map<T, X>(items: Array<T>, method: (_: T) => ZalgoPromise<X> | X): ZalgoPromise<Array<X>>;
  static onPossiblyUnhandledException(handler: (err: mixed) => void): {cancel: () => void};
  static reject(error: mixed): ZalgoPromise<R>;
  static resolve<X>(value: X | ZalgoPromise<X>): ZalgoPromise<X>;
  static try<X, Y, C, A: Array<mixed>>(method: (...args: A) => ZalgoPromise<X> | Y, context: ?C, args: ?A): ZalgoPromise<X | Y>;

  dispatching: boolean;
  error: mixed;
  errorHandled: boolean;
  handlers: Array<{onError: void | (error: mixed) => mixed, onSuccess: void | (result: R) => mixed, promise: ZalgoPromise<mixed /* UNEXPECTED TYPE: ExistsT */>}>;
  rejected: boolean;
  resolved: boolean;
  stack: string;
  value: R;
  asyncReject(error: mixed): ZalgoPromise<R>;
  catch<X, Y>(onError: (error: mixed) => ZalgoPromise<X> | Y): ZalgoPromise<X | Y>;
  constructor(handler: ?(resolve: (result: R) => void, reject: (error: mixed) => void) => void): any;
  dispatch(): any;
  finally(onFinally: () => mixed): ZalgoPromise<R>;
  reject(error: mixed): ZalgoPromise<R>;
  resolve(result: R): ZalgoPromise<R>;
  then<X, Y>(onSuccess: void | (result: R) => ZalgoPromise<X> | Y, onError: void | (error: mixed) => ZalgoPromise<X> | Y): ZalgoPromise<X | Y>;
  timeout(time: number, err: ?Class0): ZalgoPromise<R>;
  toPromise(): Class<Promise<R>> | Class<Promise> | Promise<+R>;
}