public EC2SecurityGroup withEC2SecurityGroupName(String eC2SecurityGroupName) {
        setEC2SecurityGroupName(eC2SecurityGroupName);
        return this;
    }
<p>
Specifies the name of the EC2 security group.
</p>

@param eC2SecurityGroupName
       Specifies the name of the EC2 security group.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/EC2SecurityGroup.java