{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"///"}]}
        /// Extends `#rust-analyzer.cargo.extraEnv#`.
        /// Extra environment variables that will be set when running `cargo check`.
        check_extraEnv | checkOnSave_extraEnv: FxHashMap<String, Option<String>> = FxHashMap::default(),