Hi, I would like to know if class [SimpleJdbcConnectionProvider](https://github.com/apache/flink/blob/master/flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/internal/connection/SimpleJdbcConnectionProvider.java).java should be marked as @Internal or @PublicEvolving? Since there's annotation provided, I'm unsure if I should be using this class in my user code.
If one of them is missing, I would like to create a PR for this if that's fine as well. Thank you for the clarification! Kenzyme Le
