Classes used to provide information about RPC for a GWT application.
||This artifact holds a log of the reasoning for which types are considered
serializable for a particular RPC interface.
||This linker emits
RpcLogArtifacts as output files.
||This artifact provides information about which proxy classes resulted in
which rpc proxy files.
||Emit a file containing a map of RPC proxy classes to the partial path of the
RPC policy file.