# File lib/vcr/structs.rb, line 16
        def body_from(hash_or_string)
          return hash_or_string unless hash_or_string.is_a?(Hash)
          hash = hash_or_string

          if hash.has_key?('base64_string')
            string = Base64.decode64(hash['base64_string'])
            force_encode_string(string, hash['encoding'])
          else
            try_encode_string(hash['string'], hash['encoding'])
          end
        end