/usr/include/mongo/logger/ is in libmongoclient-dev 1.1.2-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/mongo/logger/appender.h
/usr/include/mongo/logger/component_message_log_domain.h
/usr/include/mongo/logger/labeled_level.h
/usr/include/mongo/logger/log_component.h
/usr/include/mongo/logger/log_component_settings.h
/usr/include/mongo/logger/log_domain.h
/usr/include/mongo/logger/log_manager.h
/usr/include/mongo/logger/log_severity-inl.h
/usr/include/mongo/logger/log_severity.h
/usr/include/mongo/logger/logger.h
/usr/include/mongo/logger/logstream_builder.h
/usr/include/mongo/logger/message_event.h
/usr/include/mongo/logger/message_log_domain.h