[ Version ( deprecated = true , deprecated_since = "0.16.0" , since = "0.14.0" ) ]
public static void try_unregister_all_xmp_namespaces () throws Error
Warning: try_unregister_all_xmp_namespaces is deprecated since 0.16.0.
Unregister all XMP namespaces that have been previously registered with [func@Metadata.
Use [func@Metadata.register_xmp_namespace] instead
try_register_xmp_namespace].