Node { kind: name, subtree_size: 1, token_index: 2, closing_token: 3, has_error: false }
Node { kind: methodDefName, subtree_size: 2, token_index: 2, closing_token: 3, has_error: false }
Node { kind: primitive, subtree_size: 1, token_index: 4, closing_token: 5, has_error: false }
Node { kind: methodDef, subtree_size: 4, token_index: 2, closing_token: 6, has_error: false }
Node { kind: classDef, subtree_size: 5, token_index: 0, closing_token: 7, has_error: false }