filter
Creates a filtered view of this registrar.
Returns a new MessageFunctionRegistrar instance that only includes functions matching the provided predicate. This allows for creating scoped registrars without modifying the original registry.
Return
A new MessageFunctionRegistrar containing only the functions that match the predicate
Parameters
predicate
A function that tests each registered function; only functions for which the predicate returns true are included
Throws
if the predicate is null