public HandshakeConstraintViolationException withReason(HandshakeConstraintViolationExceptionReason reason) {
        this.reason = reason.toString();
        return this;
    }
@param reason
@return Returns a reference to this object so that method calls can be chained together.
@see HandshakeConstraintViolationExceptionReason
aws-java-sdk-organizations/src/main/java/com/amazonaws/services/organizations/model/HandshakeConstraintViolationException.java