public void setGroupId(String groupId) {
        this.groupId = groupId;
    }
<p>
The ID of the security group. You must specify either the security group ID or the security group name in the
request. For security groups in a nondefault VPC, you must specify the security group ID.
</p>

@param groupId
       The ID of the security group. You must specify either the security group ID or the security group name in
       the request. For security groups in a nondefault VPC, you must specify the security group ID.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/UpdateSecurityGroupRuleDescriptionsIngressRequest.java