code: func (api *API) AddNeighbors(uris ...string) (int64, error) {
  	if err := Validate(ValidateURIs(uris...), ValidateNonEmptyStrings(ErrInvalidURI, uris...)); err != nil {
  		return 0, err
  	}
  	cmd := &AddNeighborsCommand{Command: Command{AddNeighborsCmd}, URIs: uris}
  	rsp := &AddNeighborsResponse{}
  	if err := api.provider.Send(cmd, rsp); err != nil {
  		return 0, err
  	}
  	return rsp.AddedNeighbors, nil
  }
docs: // AddNeighbors adds a list of neighbors to the connected IRI node.
  // Assumes addNeighbors command is available on the node.
  // AddNeighbors has only a temporary effect until the node relaunches.