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

        this.tagKeys = new java.util.ArrayList<String>(tagKeys);
    }
<p>
The initial part of a key-value pair that forms a tag being removed from a given resource. For example, a tag
with "Sales" as the key might be added to a resource to indicate its use by the sales department. Keys must be
unique and cannot be duplicated for a particular resource.
</p>

@param tagKeys
       The initial part of a key-value pair that forms a tag being removed from a given resource. For example, a
       tag with "Sales" as the key might be added to a resource to indicate its use by the sales department. Keys
       must be unique and cannot be duplicated for a particular resource.
aws-java-sdk-comprehend/src/main/java/com/amazonaws/services/comprehend/model/UntagResourceRequest.java