argument_specs:
  main:
    options:
      distribution_check__supported_distributions:
        description: A spec specifying the supported distribution.
        type: list
        elements: dict
        required: true
        options:
          name:
            description: The name of the supported distribution.
            type: str
            required: true
          versions:
            description: The supported versions of the supported distribution.
            type: list
            elements: str
            required: true