build arguments for command.

def _build_arguments(self):
        """
        build arguments for command.
        """
        self._parser.add_argument(
            '--clean',
            type=bool,
            required=False,
            default=False,
            help="clean up everything that was created by freight forwarder at the end."
        )

        self._parser.add_argument(
            '--configs',
            type=bool,
            required=False,
            default=False,
            help="Would you like to inject configuration files?"
        )

        self._parser.add_argument(
            '--test',
            type=bool,
            required=False,
            default=False,
            help="Run tests."
        )

        self._parser.add_argument(
            '-t', '--tag',
            required=False,
            type=six.text_type,
            action='append',
            help='list of tags applied to the image being exported. example: sh1hash'
        )

        self._parser.add_argument(
            '--use-cache',
            required=False,
            action='store_true',
            default=False,
            help='Allow build to use cached image layers.'
        )

        self._parser.add_argument(
            '--no-tagging-scheme',
            required=False,
            action='store_true',
            default=False,
            help='Turn off freight forwarders tagging scheme.'
        )

        self._parser.add_argument(
            '--no-validation',
            action="store_true",
            required=False,
            default=False,
            help='**UNSAFE**. The image will be built, NOT started, and pushed to the registry'
        )

        self._parser.add_argument(
            '-y',
            required=False,
            action='store_true',
            default=False,
            help='**UNSAFE**. Turn off `--no-validation` interaction during export'
        )