code: function(event, name) {
  
              var eventListeners = this.__getEventListeners(event);
  
              if (!(name in eventListeners)) {
                  throw new Error('Event listener for event "' + event + '" with name "' + name + '" does not exist!');
              }
  
              return eventListeners[event][name];
          }
docs: Gets event listener
  
  @param   {string} event Event name
  @param   {string} name  Listener name
  @returns {function} Event listener handler
  
  @throws {Error} if event listener does not exist
  
  @this {clazz|object}