code: def _bgp_capability_dispatcher(payload):
      
  
      cls = _capabilities_registry["BGPCapGeneric"]
  
      # By default, calling BGPCapability() will build a "generic" capability.
      if payload is None:
          cls = _capabilities_registry["BGPCapGeneric"]
  
      else:
          length = len(payload)
          if length >= _BGP_CAPABILITY_MIN_SIZE:
              code = orb(payload[0])
              cls = _get_cls(_capabilities_objects.get(code, "BGPCapGeneric"))
  
      return cls
docs: Returns the right class for a given BGP capability.