public Datum withNullValue(Boolean nullValue) {
        setNullValue(nullValue);
        return this;
    }
<p>
Indicates if the data point is null.
</p>

@param nullValue
       Indicates if the data point is null.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-timestreamquery/src/main/java/com/amazonaws/services/timestreamquery/model/Datum.java