Mimic_happy_eyeballs.Sval happy_eyeballs : t Mimic.valueval resolve : 
  t ->
  ?aaaa_timeout:int64 ->
  ?connect_delay:int64 ->
  ?connect_timeout:int64 ->
  ?resolve_timeout:int64 ->
  ?resolve_retries:int ->
  string ->
  int list ->
  ((Ipaddr.t * int) * flow, [> `Msg of string ]) Stdlib.result Lwt.tresolve happy_eyeballs domain_name ports tries to connect the user with the given endpoint. The domain-name can be an IP address or a real domain-name. resolve tries to resolve via a DNS request the given domain_name if it's a real domain-name and it tries to initiate a TCP/IP connection with the destination.
If it's a success, it returns the resource and the user is able to read or write via this resource.