Values for the capabilities flag bitmask used by Client/Server Protocol. More information can be found in <a href="https://dev.mysql.com/doc/internals/en/capability-flags.html">MySQL Internals Manual</a> and <a href="https://dev.mysql.com/doc/dev/mysql-server/8.0.4/group__group__cs__capabilities__flags.html">MySQL Source Code Documentation</a>.