There are no implemented interfaces.
description
(type: member_descriptor
)
<member 'description' of 'AbstractType' objects>
name
(type: member_descriptor
)
<member 'name' of 'AbstractType' objects>
addsubtype(type)
getsubtype(name)
getsubtypenames()
Return the names of all concrete types as a sorted list.
hassubtype(name)
Return true iff this type has name
as a concrete manifestation.
isabstract()
There are no known subclasses.