public OutputColumn withSubType(ColumnDataSubType subType) {
        this.subType = subType.toString();
        return this;
    }
<p>
The sub data type of the column.
</p>

@param subType
       The sub data type of the column.
@return Returns a reference to this object so that method calls can be chained together.
@see ColumnDataSubType
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/OutputColumn.java