1 // Test structures with cyclic references.
2 // These can only be handled in pointer/callback mode,
3 // see associated .options files.
7 optional int32 leaf = 1;
8 optional TreeNode left = 2;
9 optional TreeNode right = 3;
14 repeated KeyValuePair dictItem = 1;
19 required string key = 1;
20 optional string stringValue = 2;
21 optional int32 intValue = 3;
22 optional Dictionary dictValue = 4;
23 optional TreeNode treeValue = 5;