public java.util.List<String> getTagKeys() {
        return tagKeys;
    }
<p>
The metadata assigned to an Amazon RDS Performance Insights resource consisting of a key-value pair.
</p>

@return The metadata assigned to an Amazon RDS Performance Insights resource consisting of a key-value pair.
aws-java-sdk-pi/src/main/java/com/amazonaws/services/pi/model/UntagResourceRequest.java