Provided by: libmongoc-doc_1.30.4-1ubuntu1_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
2009-present, MongoDB, Inc. 1.30.4 Jun 08, 2025 MONGOC_OPTIONAL_T(3)