# File lib/hashie/mash.rb, line 301
    def method_name_and_suffix(method_name)
      method_name = method_name.to_s
      if method_name.end_with?(*ALLOWED_SUFFIXES)
        [method_name[0..-2], method_name[-1]]
      else
        [method_name[0..-1], nil]
      end
    end