Provided by: libmongoc-doc_1.27.5-1_all 

SYNOPSIS
Used to specify optional boolean flags, which may remain unset. This is used within mongoc_server_api_t to track whether a flag was explicitly set.
AUTHOR
MongoDB, Inc
COPYRIGHT
2017-present, MongoDB, Inc 1.27.5 Aug 06, 2024 MONGOC_OPTIONAL_T(3)