use MediaType;
/// The media type of "ocipkg artifact" used as `artifactType` in the OCI image manifest
/// The media type used in `config` descriptor of ocipkg artifact
///
/// The content of the descriptor of this type must be a JSON of [crate::image::Config]
/// The media type used in `layer` descriptor of ocipkg artifact
///
/// The content of the descriptor of this type must be a tar.gz of the layer