Gcr.pkcs11_initialize
function pkcs11_initialize(cancellable: Gio.Cancellable): Boolean {
    // Gjs wrapper for gcr_pkcs11_initialize()
}
  Asynchronously initialize the registered PKCS\#11 modules.
- cancellable
- optional cancellable used to cancel the operation 
- Returns
- whether the operation was successful or not.