public void setIsRequired(Boolean isRequired) {
        this.isRequired = isRequired;
    }
<p>
Indicates whether a value must be specified for this option setting of the option group option.
</p>

@param isRequired
       Indicates whether a value must be specified for this option setting of the option group option.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/OptionGroupOptionSetting.java