public void setParameterGroup(ParameterGroup parameterGroup) {
        this.parameterGroup = parameterGroup;
    }
<p>
The parameter group that has been deleted.
</p>

@param parameterGroup
       The parameter group that has been deleted.
aws-java-sdk-memorydb/src/main/java/com/amazonaws/services/memorydb/model/DeleteParameterGroupResult.java