code: def init_app(self, app, entry_point_actions='invenio_access.actions',
                   entry_point_system_roles='invenio_access.system_roles',
                   **kwargs):
          
          self.init_config(app)
          state = _AccessState(
              app, entry_point_actions=entry_point_actions,
              entry_point_system_roles=entry_point_system_roles,
              cache=kwargs.get('cache'))
          app.extensions['invenio-access'] = state
  
          if app.config.get('ACCESS_LOAD_SYSTEM_ROLE_NEEDS', True):
              identity_loaded.connect_via(app)(
                  load_permissions_on_identity_loaded
              )
  
          return state
docs: Flask application initialization.
  
          :param app: The Flask application.
          :param entry_point_actions: The entrypoint for actions extensions.
              (Default: ``'invenio_access.actions'``)
          :param entry_point_system_roles: The entrypoint for  system roles
              extensions. (Default: ``'invenio_access.system_roles'``)
          :param cache: The cache system. (Default: ``None``)