public DeregisterInstanceTagAttributeRequest withInstanceTagKeys(String... instanceTagKeys) {
        if (this.instanceTagKeys == null) {
            setInstanceTagKeys(new com.amazonaws.internal.SdkInternalList<String>(instanceTagKeys.length));
        }
        for (String ele : instanceTagKeys) {
            this.instanceTagKeys.add(ele);
        }
        return this;
    }
<p>
Information about the tag keys to deregister.
</p>
<p>
<b>NOTE:</b> This method appends the values to the existing list (if any). Use
{@link #setInstanceTagKeys(java.util.Collection)} or {@link #withInstanceTagKeys(java.util.Collection)} if you
want to override the existing values.
</p>

@param instanceTagKeys
       Information about the tag keys to deregister.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/DeregisterInstanceTagAttributeRequest.java