For example, to query API metrics for buckets `test1` and `test2`, make a scrape request to `/minio/metrics/v3/api/bucket?buckets=test1,test2`. 

### List Available Metrics

	return 10, nil
}

func TestWriterReadFromMustSetUnderlyingError(t *testing.T) {
	var wr = NewWriter(writerWithReadFromError{})
	if _, err := wr.ReadFrom(strings.NewReader("test2")); err == nil {
		t.Fatal("expected ReadFrom returns error, got nil")
	}
	if _, err := wr.Write([]byte("123")); err == nil {
		t.Fatal("expected Write returns error, got nil")
	}
}

        final Map<String, Object> dest = BeanUtil.copyBeanToNewMap(src, HashMap.class);
        assertThat(dest.get("aaa"), is((Object) "aaa"));
        final BeanMap dest2 = BeanUtil.copyBeanToNewMap(src, BeanMap.class);
        assertThat(dest2.get("aaa"), is((Object) "aaa"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testCopy_mapToNewBean() throws Exception {