public TopicCategoryFilterConstant withConstantType(String constantType) {
        setConstantType(constantType);
        return this;
    }
<p>
The type of category filter constant. This element is used to specify whether a constant is a singular or
collective. Valid values are <code>SINGULAR</code> and <code>COLLECTIVE</code>.
</p>

@param constantType
       The type of category filter constant. This element is used to specify whether a constant is a singular or
       collective. Valid values are <code>SINGULAR</code> and <code>COLLECTIVE</code>.
@return Returns a reference to this object so that method calls can be chained together.
@see ConstantType
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/TopicCategoryFilterConstant.java