hikari 连接池线如何自定义线程

ExecutorService customThreadPool = Executors.newFixedThreadPool(numThreads);

HikariConfig config = new HikariConfig();
config.setJdbcUrl("jdbc:mysql://localhost/test");
config.setUsername("username");
config.setPassword("password");

config.setMinimumIdle(5);
config.setMaximumPoolSize(10);
config.setConnectionTimeout(300000);

config.setDataSourceProperties(new Properties());

config.setThreadFactory(customThreadPool);

HikariDataSource dataSource = new HikariDataSource(config);