members "arg-type", "ret-type" and "allow-oob". On the wire, the
"arguments" member of a client's "execute" command must conform to the
object type named by "arg-type". The "return" member that the server
-passes in a success response conforms to the type named by
-"ret-type". When "allow-oob" is set, it means the command supports
-out-of-band execution.
+passes in a success response conforms to the type named by "ret-type".
+When "allow-oob" is true, it means the command supports out-of-band
+execution. It defaults to false.
If the command takes no arguments, "arg-type" names an object type
without members. Likewise, if the command returns nothing, "ret-type"