Default Security Group Ingress
data class DefaultSecurityGroupIngress(val cidrBlocks: List<String>? = null, val description: String? = null, val fromPort: Int, val ipv6CidrBlocks: List<String>? = null, val prefixListIds: List<String>? = null, val protocol: String, val securityGroups: List<String>? = null, val self: Boolean? = null, val toPort: Int)