code: func (b *BigIP) AddBGPNeighbor(instance string, config *BGPNeighbor) error {
  	return b.post(config, uriNet, uriRouting, uriBGP, instance, uriNeighbor)
  }
docs: // AddBGPNeighbor adds a new BGP neighbor to a BGP instance in the BIG-IP system.