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```
		publicSecurityGroup, err := ec2.NewSecurityGroup(ctx, "sg1", &amp;ec2.SecurityGroupArgs{
			Description: "For inter-security group traffic",
			VpcId:       vpc.ID(),
			Ingress: []map[string]interface{}{
				{
					"protocol":   "tcp",
					"fromPort":   22,
					"toPort":     22,
					"cidrBlocks": []string{"0.0.0.0/0"},
				},
			},
		})

		privateSecurityGroup, err := ec2.NewSecurityGroup(ctx, "sg2", &amp;ec2.SecurityGroupArgs{
			Description: "For intra-security group traffic",
			Ingress: []map[string]interface{}{
				{
					"protocol": "tcp",
					"fromPort": 0,
					"toPort":   65535,
					"sourceSecurityGroupId": publicSecurityGroup.ID(),
				},
			},
		})
```

for inline ingress rules, I believe you want `securityGroups` instead of `sourceSecurityGroupId`

`sourceSecurityGroupId` is used for `SecurityGroupRule` resources