public void setDecimalSeparator(String decimalSeparator) {
        this.decimalSeparator = decimalSeparator;
    }
<p>
Determines the decimal separator.
</p>

@param decimalSeparator
       Determines the decimal separator.
@see NumericSeparatorSymbol
aws-java-sdk-quicksight/src/main/java/com/amazonaws/services/quicksight/model/NumericSeparatorConfiguration.java