declare module "react-native-image-picker" {

  interface Response {
      customButton: string;
      didCancel: boolean;
      error: string;
      data: string;
      uri: string;
      origURL?: string;
      isVertical: boolean;
      width: number;
      height: number;
      fileSize: number;
      type?: string;
      fileName?: string;
      path?: string;
      latitude?: number;
      longitude?: number;
      timestamp?: string;
  }

  interface CustomButtonOptions {
      name?: string;
      title?: string;
  }

  interface Options {
      title?: string;
      cancelButtonTitle?: string;
      takePhotoButtonTitle?: string;
      chooseFromLibraryButtonTitle?: string;
      customButtons?: Array<CustomButtonOptions>;
      cameraType?: 'front' | 'back';
      mediaType?: 'photo' | 'video' | 'mixed';
      maxWidth?: number;
      maxHeight?: number;
      quality?: number;
      videoQuality?: 'low' | 'medium' | 'high';
      durationLimit?: number;
      rotation?: number;
      allowsEditing?: boolean;
      noData?: boolean;
      storageOptions?: StorageOptions;
  }

  interface StorageOptions {
      skipBackup?: boolean;
      path?: string;
      cameraRoll?: boolean;
      waitUntilSaved?: boolean;
  }


  class ImagePicker {
      static showImagePicker(options: Options, callback: (response: Response) => void): void;
      static launchCamera(options: Options, callback: (response: Response) => void): void;
      static launchImageLibrary(options: Options, callback: (response: Response) => void): void;
  }

  export = ImagePicker;

}