def group_volume_type_mapping_create(context, group_id, volume_type_id):
 return IMPL.group_volume_type_mapping_create(context, group_id, volume_type_id)

def group_volume_type_mapping_create ( context , group_id , volume_type_id ) : return IMPL . group_volume_type_mapping_create ( context , group_id , volume_type_id )
add group volume_type mapping entry .