public void setIsTunable(Boolean isTunable) {
        this.isTunable = isTunable;
    }
<p>
Whether the hyperparameter is tunable.
</p>

@param isTunable
       Whether the hyperparameter is tunable.
aws-java-sdk-personalize/src/main/java/com/amazonaws/services/personalize/model/DefaultCategoricalHyperParameterRange.java