public FilterListConfiguration withNullOption(String nullOption) {
        setNullOption(nullOption);
        return this;
    }
<p>
This option determines how null values should be treated when filtering data.
</p>
<ul>
<li>
<p>
<code>ALL_VALUES</code>: Include null values in filtered results.
</p>
</li>
<li>
<p>
<code>NULLS_ONLY</code>: Only include null values in filtered results.
</p>
</li>
<li>
<p>
<code>NON_NULLS_ONLY</code>: Exclude null values from filtered results.
</p>
</li>
</ul>

@param nullOption
       This option determines how null values should be treated when filtering data.</p>
       <ul>
       <li>
       <p>
       <code>ALL_VALUES</code>: Include null values in filtered results.
       </p>
       </li>
       <li>
       <p>
       <code>NULLS_ONLY</code>: Only include null values in filtered results.
       </p>
       </li>
       <li>
       <p>
       <code>NON_NULLS_ONLY</code>: Exclude null values from filtered results.
       </p>
       </li>
@return Returns a reference to this object so that method calls can be chained together.
@see FilterNullOption
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/FilterListConfiguration.java