+ {sod-message-check-methods @<message> @<class> @<direct-methods>}
+\end{describe}
+
+\begin{describe}{gf}
+ {sod-message-effective-method-class @<message> @> @<class>}
+\end{describe}
+
+\begin{describe}{gf}{primary-method-class @<message> @> @<class>}