OptionaldataDataSourceRefSourceDataSource serves as a reference to another DataSource Can be resolved into a DataVolumeSourcePVC or a DataVolumeSourceSnapshot The maximum depth of a reference chain may not exceed 1.
OptionalpvcDataVolumeSourcePVC provides the parameters to create a Data Volume from an existing PVC
OptionalsnapshotDataVolumeSourceSnapshot provides the parameters to create a Data Volume from an existing VolumeSnapshot
DataSourceSource represents the source for our DataSource