{"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"if"}]}
            if *ast_id == FIXUP_ERASED_FILE_AST_ID_MARKER {
        let change_ast_id = |ast_id: &mut ErasedFileAstId| {
                *ast_id = OLD_FIXUP_AST_ID;