code: function enqueueBodyCallback(name, callback) {
  
          // Get callback queue by name, creating first if necessary
          var callbacks = bodyCallbacks[name];
          if (!callbacks) {
              callbacks = [];
              bodyCallbacks[name] = callbacks;
          }
  
          // Add callback to end of queue
          callbacks.push(callback);
  
      }
docs: Adds the given callback to the tail of the callback queue for the stream
  having the given name.
  
  @private
  @param {String} name
  The name of the stream to associate with the given callback.
  
  @param {Function} callback
  The callback to add to the queue of the stream with the given name.