Neos\Flow\Package\Package::getComposerManifest PHP Метод

    public function getComposerManifest($key = null)
    {
        return ComposerUtility::getComposerManifest($this->packagePath, $key);
    }

 /**
  * @test
  * @expectedException \Neos\Flow\Composer\Exception\MissingPackageManifestException
  */
 public function throwExceptionWhenSpecifyingAPathWithMissingComposerManifest()
 {
     $packagePath = 'vfs://Packages/Some/Path/Some.Package/';
     mkdir($packagePath, 0777, true);
     $package = new Package('Some.Package', 'some/package', 'vfs://Packages/Some/Path/Some.Package/', []);
     $package->getComposerManifest();
 }