validate_arg_string

# File activestorage/lib/active_storage/transformers/image_processing_transformer.rb, line 71
        def validate_arg_string(argument)
          unsupported_arguments = ActiveStorage.unsupported_image_processing_arguments.any? do |bad_arg|
            argument.to_s.downcase.include?(bad_arg)
          end

          raise UnsupportedImageProcessingArgument if unsupported_arguments
        end