Histogram extends BaseMeter { protected Histogram(MeterId meterId, List<Double> steps) { super(meterId); } protected  Histogram(MeterId meterId, List<Double> steps); void addValue(double value);  }
@Test public void testBuild() { MeterFactory.histogram("test_histogram1").steps(Arrays.asList(1d, 5d, 10d)).minValue(-10) .tag("k1", "v1").build(); }