anchor.diff:      --name GREETING \
       --value Hello \
       --type SecureString \
  -    --key-id arn:aws:kms:us-east-1:123456789012:key/414a963b-7fe4-4a61-b19f-ea408b9bda3b
  +    --key-id arn:aws:kms:us-east-1:<account-id>:key/414a963b-7fe4-4a61-b19f-ea408b9bda3b
     {
         "Version": 1
     }
  
positive.code:         "Effect": "Allow",
          "Principal": {
            "AWS": [
              "arn:aws:iam::123456789012:root"
            ]
          },
          "Action": "kms:*",
  
negative.code:     --name NAME \
      --value World \
      --type SecureString \
      --key-id arn:aws:kms:us-east-1:<account-id>:key/414a963b-7fe4-4a61-b19f-ea408b9bda3b
    {
        "Version": 1
    }
  