getDownloadedFile(versionInfo: VersionInfo, fileInfo: FileInfo): string | null {
    if (this.setupPath == null) {
      return null
    }

    return isEqual(this.versionInfo, versionInfo) && isEqual(this.fileInfo, fileInfo) ? this.setupPath : null
  }

const assertDeepEqualFrame = function(actual, expected) {
    const equal = isEqual(actual, expected);
    let message = '';
    if (!equal && Array.isArray(actual) && Array.isArray(expected)) {
        message = '\nExpected \n';
        message += 'frame\tkind\tvalue\thasValue\n';
        actual.forEach(x => {
            message += stringifyFrame(x) + '\n';
        });
        message += '\nTo equal \n';
        message += 'frame\tkind\tvalue\thasValue\n';
        expected.forEach(x => {
            message += stringifyFrame(x) + '\n';
        });
    }

    if (!equal) {
        throw new Error(message || 'Frames not equal!');
    }
};

 const activePreset = Object.keys(presets).find(dimensionName => isEqual(presets[dimensionName].values, dimensionValues));

 updateOptions(options: IManagerOptions) {
   if (!isEqual(this.options, options)) {
     this.options = options;
     this.updatePreview();
   }
 }