# File lib/omniauth.rb, line 156
    def camelize(word, first_letter_in_uppercase = true)
      return OmniAuth.config.camelizations[word.to_s] if OmniAuth.config.camelizations[word.to_s]

      if first_letter_in_uppercase
        word.to_s.gsub(%r{/(.?)}) { '::' + Regexp.last_match[1].upcase }.gsub(/(^|_)(.)/) { Regexp.last_match[2].upcase }
      else
        word.first + camelize(word)[1..-1]
      end
    end