public void setDBParameterGroupFamily(String dBParameterGroupFamily) {
        this.dBParameterGroupFamily = dBParameterGroupFamily;
    }
<p>
The name of a specific DB parameter group family to return details for.
</p>
<p>
Constraints:
</p>
<ul>
<li>
<p>
If supplied, must match an existing DBParameterGroupFamily.
</p>
</li>
</ul>

@param dBParameterGroupFamily
       The name of a specific DB parameter group family to return details for.</p>
       <p>
       Constraints:
       </p>
       <ul>
       <li>
       <p>
       If supplied, must match an existing DBParameterGroupFamily.
       </p>
       </li>
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/DescribeDBEngineVersionsRequest.java