{"id":"treenode-shared-dependency","text":"The `TreeNode` class defined in `average-of-levels-in-binary-tree/solution.py` is imported by hundreds of test files across the repo, making it a de facto shared data structure whose signature changes have high blast radius.","truth_value":"IN","source":"entries/2026/06/06/average-of-levels-in-binary-tree-solution.md","source_url":"","source_hash":"","justifications":[],"dependents":[],"metadata":{},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"treenode-shared-dependency","truth_value":"IN","reason":"premise"}]}}