code: public void setMetricDataQueries(java.util.Collection<MetricDataQuery> metricDataQueries) {
          if (metricDataQueries == null) {
              this.metricDataQueries = null;
              return;
          }
  
          this.metricDataQueries = new com.amazonaws.internal.SdkInternalList<MetricDataQuery>(metricDataQueries);
      }
docs: <p>
  The metric queries to be returned. A single <code>GetMetricData</code> call can include as many as 100
  <code>MetricDataQuery</code> structures. Each of these structures can specify either a metric to retrieve, or a
  math expression to perform on retrieved data.
  </p>
  
  @param metricDataQueries
  The metric queries to be returned. A single <code>GetMetricData</code> call can include as many as 100
  <code>MetricDataQuery</code> structures. Each of these structures can specify either a metric to retrieve,
  or a math expression to perform on retrieved data.