`ISDOObjectType`
		AddProperty
		DropProperty
		IsOwnerOf
		Clear

`ISDOTypeEx`
		setBaseType
		setAlias
		setUsedFlag
		isUsed
		getFieldSize
		inherits

`ISDOType`
		getName
		getAlias
		getAliasCount
		getBaseType
		getURI
		getProperties
		getProperty
		getPropertyIndex
		isDataObjectType
		isSequencedType
		isOpenType
		isAbstractType
		isDataType
		isChangeSummaryType
		getTypeEnum
		equals
		getFlags
		getOwner