private ServiceClient(ServiceClientCallback callbackImpl, System.ServiceModel.Channels.Binding binding, System.ServiceModel.EndpointAddress remoteAddress) :
     base(new System.ServiceModel.InstanceContext(callbackImpl), binding, remoteAddress)
 {
     callbackImpl.Initialize(this);
 }
 private ServiceClient(ServiceClientCallback callbackImpl) :
     base(new System.ServiceModel.InstanceContext(callbackImpl))
 {
     callbackImpl.Initialize(this);
 }
 private ServiceClient(ServiceClientCallback callbackImpl, EndpointConfiguration endpointConfiguration) :
     base(new System.ServiceModel.InstanceContext(callbackImpl), endpointConfiguration)
 {
     callbackImpl.Initialize(this);
 }