code: public DescribeMetricFiltersResult withMetricFilters(MetricFilter... metricFilters) {
          if (this.metricFilters == null) {
              setMetricFilters(new com.amazonaws.internal.SdkInternalList<MetricFilter>(metricFilters.length));
          }
          for (MetricFilter ele : metricFilters) {
              this.metricFilters.add(ele);
          }
          return this;
      }
docs: <p>
  The metric filters.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setMetricFilters(java.util.Collection)} or {@link #withMetricFilters(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param metricFilters
  The metric filters.
  @return Returns a reference to this object so that method calls can be chained together.