ProjectDirs::from("com", "histdb-rs", "histdb-rs").unwrap()

    ProjectDirs::from("com", "histdb-rs", "histdb-rs")
        .expect("getting project dirs should never fail")

    let socket_path = project_dir.runtime_dir().unwrap().join("server_socket");

    let socket_path = project_dir
        .runtime_dir()
        .expect("getting the runtime dir should never fail")
        .join("server_socket");