[#RPCArgOptions-placeholder] = xref:RPCArgOptions.adoc[RPCArgOptions]::placeholder :relfileprefix: ../ :mrdocs: If set, the argument is retained only for compatibility and should generally be omitted. == Synopsis Declared in `<rpc/util.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- bool placeholder = {false}; ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#