- create_attribute
    CORBA::AttributeDef create_attribute
    (
        in CORBA::RepositoryId id,
        in CORBA::Identifier name,
        in CORBA::VersionSpec version,
        in CORBA::IDLType type,
        in CORBA::AttributeMode mode
    );
 - create_operation
    CORBA::OperationDef create_operation
    (
        in CORBA::RepositoryId id,
        in CORBA::Identifier name,
        in CORBA::VersionSpec version,
        in CORBA::IDLType result,
        in CORBA::OperationMode mode,
        in CORBA::ParDescriptionSeq params,
        in CORBA::ExceptionDefSeq exceptions,
        in CORBA::ContextIdSeq contexts
    );
 - describe_interface
    CORBA::InterfaceDef::FullInterfaceDescription describe_interface
    (
    );
 - is_a
    boolean is_a
    (
        in CORBA::RepositoryId interface_id
    );