public interface  oadd.org.apache.calcite.avatica.metrics.MetricsSystem extends java.lang.Object
{
public abstract oadd.org.apache.calcite.avatica.metrics.Timer getTimer(java.lang.String);
public abstract oadd.org.apache.calcite.avatica.metrics.Histogram getHistogram(java.lang.String);
public abstract oadd.org.apache.calcite.avatica.metrics.Meter getMeter(java.lang.String);
public abstract oadd.org.apache.calcite.avatica.metrics.Counter getCounter(java.lang.String);
public abstract void register(java.lang.String, oadd.org.apache.calcite.avatica.metrics.Gauge);
}