public String getConstantType() {
        return this.constantType;
    }
<p>
The constant type of a <code>TopicConstantValue</code>.
</p>

@return The constant type of a <code>TopicConstantValue</code>.
@see ConstantType
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/TopicConstantValue.java