public DecimalParameterDeclaration withValueWhenUnset(DecimalValueWhenUnsetConfiguration valueWhenUnset) {
        setValueWhenUnset(valueWhenUnset);
        return this;
    }
<p>
The configuration that defines the default value of a <code>Decimal</code> parameter when a value has not been
set.
</p>

@param valueWhenUnset
       The configuration that defines the default value of a <code>Decimal</code> parameter when a value has not
       been set.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/DecimalParameterDeclaration.java