{"ast_node_type":"variable","tokens":[{"end":68,"kind":"keyword","start":0,"text":"let"}]}
            let directory_with_submodule = submodule_path.parent()?;
            let submodule_path = source_root.path_for_file(&submodule_file)?;
            let (name, ext) = submodule_path.name_and_extension()?;