public void setKeyLabels(java.util.Collection<String> keyLabels) {
        if (keyLabels == null) {
            this.keyLabels = null;
            return;
        }

        this.keyLabels = new com.amazonaws.internal.SdkInternalList<String>(keyLabels);
    }
<p>
An array of the strings used as the keys for this rule. The keys are the dimensions used to classify
contributors. If the rule contains more than one key, then each unique combination of values for the keys is
counted as a unique contributor.
</p>

@param keyLabels
       An array of the strings used as the keys for this rule. The keys are the dimensions used to classify
       contributors. If the rule contains more than one key, then each unique combination of values for the keys
       is counted as a unique contributor.
aws-java-sdk-cloudwatch/src/main/java/com/amazonaws/services/cloudwatch/model/GetInsightRuleReportResult.java