that have not yet been
saved to disk but may be required for parsing or code completion, including
the contents of those files.  The contents and name of these files (as
specified by CXUnsavedFile) are copied when necessary, so the client only
needs to guarantee their validity until the call to this function returns.</p>

<p># TODO num_unsaved_files The number of unsaved file entries in p
unsaved_files.</p>

<p>Extra options that control the behavior of code completion, expressed as a
bitwise OR of the cons