public Metrics reporter(final Function<MetricRegistry, Reporter> callback) {
    return reporter((registry, conf) -> callback.apply(registry));
  }
public Metrics reporter(final Function<MetricRegistry, Reporter> callback) {
    return reporter((registry, conf) -> callback.apply(registry));
  }
public Metrics reporter ( final Function < MetricRegistry , Reporter > callback ) { return reporter ( ( registry , conf ) -> callback . apply ( registry ) ) ; }
Append a {@link Reporter} to the {@link MetricRegistry}.

@param callback Reporter callback.
@return This metrics module.
Append a { @link Reporter } to the { @link MetricRegistry } .