public java.util.List<String> getTagKeys() {
        return tagKeys;
    }
<p>
The tag names of the tags to remove from the given Cloud9 development environment.
</p>

@return The tag names of the tags to remove from the given Cloud9 development environment.
aws-java-sdk-cloud9/src/main/java/com/amazonaws/services/cloud9/model/UntagResourceRequest.java