public void setMetricReferences(java.util.Collection<MetricReference> metricReferences) {
        if (metricReferences == null) {
            this.metricReferences = null;
            return;
        }

        this.metricReferences = new java.util.ArrayList<MetricReference>(metricReferences);
    }
<p>
An array of structures that each contain information about one metric associated with this service operation that
was discovered by Application Signals.
</p>

@param metricReferences
       An array of structures that each contain information about one metric associated with this service
       operation that was discovered by Application Signals.
aws-java-sdk-applicationsignals/src/main/java/com/amazonaws/services/applicationsignals/model/ServiceOperation.java