pub unsafe extern "C" fn g_tls_database_verify_chain_async(
    self_: *mut GTlsDatabase,
    chain: *mut GTlsCertificate,
    purpose: *const c_char,
    identity: *mut GSocketConnectable,
    interaction: *mut GTlsInteraction,
    flags: GTlsDatabaseVerifyFlags,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)