Clean cleans all extensions from local, including its manifest.

NewDefaultAssetOperator initializes default asset operator.

NewDefaultManifester initializes default manifester.

NewManager initializes new manager.

AssetOperatorFS is file system that will be used by operator.

CleanExtensionFS is file system that will be used when cleaning extension.

ManifesterFS is file system that will be used for manifester operations.

Manager defines the extension management.