code: public MetricRegistry registerMetrics(final MetricRegistry registry) {
        registry.register(MetricRegistry.name(ConnectionPool.class, name), metrics);
        return registry;
     }
docs: Registers all metrics for this cache with the prefix 'org.attribyte.sql.pool.ConnectionPool.[pool name]'.
  @param registry The registry to which metrics are added.
  @return The input registry.