Declare a module-level attribute as being deprecated.

ParametersversionVersion that the attribute was deprecated in (type: incremental.Version)
messageDeprecation message (type: str)
moduleNameFully-qualified Python name of the module containing the deprecated attribute; if called from the same module as the attributes are being deprecated in, using the __name__ global can be helpful (type: str)
nameAttribute name to deprecate (type: str)
API Documentation for Twisted, generated by pydoctor at 2017-09-23 19:45:03.