public static <T> Builder<T> builder() {
        return new Builder<>();
    }
A builder to build a SourceFunction which can read snapshot and continue to consume binlog for
PostgreSQL.
inlong-sort/sort-flink/sort-flink-v1.13/sort-connectors/postgres-cdc/src/main/java/org/apache/inlong/sort/cdc/postgres/PostgreSQLSource.java