Use this macro in a request handler class to mark the start of a replacement method map.
The name of the C++ class containing the replacement method map.
A replacement method map is used to map the names of replacement methods (as specified in server response files) to the C++ functions that implement those methods.
A replacement method map is marked by the BEGIN_REPLACEMENT_METHOD_MAP and END_REPLACEMENT_METHOD_MAP macros.
Entries in the map can be provided by any of the following macros: