public UntagResourceRequest withTagKeys(String... tagKeys) {
        if (this.tagKeys == null) {
            setTagKeys(new java.util.ArrayList<String>(tagKeys.length));
        }
        for (String ele : tagKeys) {
            this.tagKeys.add(ele);
        }
        return this;
    }
<p>
The keys of tags that you want to remove.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setTagKeys(java.util.Collection)} or {@link #withTagKeys(java.util.Collection)} if you want to override
the existing values.
</p>

@param tagKeys
       The keys of tags that you want to remove.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-opsworkscm/src/main/java/com/amazonaws/services/opsworkscm/model/UntagResourceRequest.java