There are no implemented interfaces.
description
(type: NoneType
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None
example
(type: NoneType
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None
metadefault
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None
add_valueinfo(vi, key)
Actually add a ValueInfo to this key-info object.
The appropriate value of None-ness of key has already been checked with regard to the name of the key, and has been found permissible to add.
This method is a requirement for subclasses, and should not be called by client code.
adddefault(value, position, key=None)
finish()
isabstract()
ismulti()
issection()
prepare_raw_defaults()