Node { kind: name, subtree_size: 1, token_index: 2, closing_token: 3, has_error: false }
Node { kind: superclass, subtree_size: 1, token_index: 4, closing_token: 6, has_error: false }
Node { kind: classDef, subtree_size: 3, token_index: 0, closing_token: 8, has_error: false }