def to_s
      hash = {}
      @events_map.each_pair do |name, trans|
        hash[name] = trans
      end
      hash.to_s
    end
def to_s
      hash = {}
      @events_map.each_pair do |name, trans|
        hash[name] = trans
      end
      hash.to_s
    end
Return string representation of this map

 @return [String]

 @api public