anchor.diff:    @javax.inject.Inject
     private org.realityforge.replicant.client.EntityRepository _repository;
     @javax.inject.Named("GLOBAL")
  -  @com.google.inject.Inject( optional = true )
  -  @javax.annotation.Nullable
  +  @javax.inject.Inject
     private com.google.gwt.user.client.rpc.AsyncCallback _callback;
   
   <% service.methods.each do |method|
  
positive.code:     end
  %>
        if( null != callback ) callback.onSuccess( <%= result_string %> );
        if( null != _callback ) _callback.onSuccess( result );
      }
    });
    }
  
negative.code:     public void onFailure( final Throwable caught )
      {
        if( null != callback ) callback.onFailure( caught );
        _callback.onFailure( caught );
      }
  
      public void onSuccess( final <%= method.return_value.imit.non_primitive_java_type(:transport) %> result )
  