org\bovigo\vfs\vfsStream::newFile PHP Method

    public static function newFile($name, $permissions = null)
    {
        return new vfsStreamFile($name, $permissions);
    }

 /**
  * @since  3.0.0
  * @group  issue_58
  * @test
  */
 public function canEnableFileAnnotationCache()
 {
     $root = vfsStream::setup();
     $file = vfsStream::newFile('annotations.cache')->withContent(serialize($this->createdCachedAnnotation()))->at($root);
     persistAnnotationsInFile($file->url());
     assertTrue(AnnotationCache::has('foo', 'bar'));
 }