public SignatureValidityPeriod withValue(Integer value) {
        setValue(value);
        return this;
    }
<p>
The numerical value of the time unit for signature validity.
</p>

@param value
       The numerical value of the time unit for signature validity.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-signer/src/main/java/com/amazonaws/services/signer/model/SignatureValidityPeriod.java