public java.util.List<String> getKeyLabels() {
        if (keyLabels == null) {
            keyLabels = new com.amazonaws.internal.SdkInternalList<String>();
        }
        return 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>

@return 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