Inheritance: Akka.Remote.TestKit.MultiNodeConfig
 private InitialHeartbeatSpec(InitialHeartbeatMultiNodeConfig config)
     : base(config)
 {
     _config = config;
     MuteMarkingAsUnreachable();
 }
 private InitialHeartbeatSpec(InitialHeartbeatMultiNodeConfig config)
     : base(config)
 {
     _config = config;
     MuteMarkingAsUnreachable();
 }
 private InitialHeartbeatSpec(InitialHeartbeatMultiNodeConfig config)
     : base(config)
 {
     _config = config;
 }
 private InitialHeartbeatSpec(InitialHeartbeatMultiNodeConfig config)
     : base(config)
 {
     _config = config;
 }