code: def security_scheme(self, component_id, component):
          
          if component_id in self._security_schemes:
              raise DuplicateComponentNameError(
                  'Another security scheme with name "{}" is already registered.'.format(
                      component_id
                  )
              )
          self._security_schemes[component_id] = component
          return self
docs: Add a security scheme which can be referenced.
  
          :param str component_id: component_id to use as reference
          :param dict kwargs: security scheme fields