{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "structures": {
    "arrayStrUnique": {
      "type": "array",
      "items": {
        "type": "string",
        "uniqueItems": true
      }
    },
    "optionalStr": {
      "anyOf": [
        {
          "type": "string"
        },
        {
          "type": "null"
        }
      ]
    },
    "tuple2StrStr": {
      "type": "array",
      "maxLength": 2,
      "minLength": 2,
      "items": [
        {
          "type": "string"
        },
        {
          "type": "string"
        }
      ]
    },
    "tuple3StrOptStrStr": {
      "type": "array",
      "maxLength": 3,
      "minLength": 3,
      "items": [
        {
          "type": "string"
        },
        {
          "$ref": "#/structures/optionalStr"
        },
        {
          "type": "string"
        }
      ]
    }
  },
  "definitions": {
    "arg": {
      "type": "object",

      "properties": {
        "about": {
          "type": "string"
        },
        "alias": {
          "type": "string"
        },
        "aliases": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "allow_hyphen_values": {
          "type": "boolean"
        },
        "case_insensitive": {
          "type": "boolean"
        },
        "conflicts_with": {
          "type": "string"
        },
        "conflicts_with_all": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "default_value": {
          "type": "string"
        },
        "default_values": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "default_value_if": {
          "$ref": "#/structures/tuple3StrOptStrStr"
        },
        "default_value_ifs": {
          "type": "array",
          "items": {
            "$ref": "#/structures/tuple3StrOptStrStr"
          }
        },
        "display_order": {
          "type": "integer"
        },
        "env": {
          "type": "string"
        },
        "exclusive": {
          "type": "boolean"
        },
        "global": {
          "type": "boolean"
        },
        "group": {
          "type": "string"
        },
        "groups": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "help": {
          "type": "string"
        },
        "help_heading": {
          "$ref": "#/structures/optionalStr"
        },
        "hidden": {
          "type": "boolean"
        },
        "hidden_long_help": {
          "type": "boolean"
        },
        "hidden_short_help": {
          "type": "boolean"
        },
        "hide_default_value": {
          "type": "boolean"
        },
        "hide_env_value": {
          "type": "boolean"
        },
        "hide_possible_value": {
          "type": "boolean"
        },
        "index": {
          "type": "integer"
        },
        "last": {
          "type": "boolean"
        },
        "long": {
          "type": "string"
        },
        "long_about": {
          "type": "string"
        },
        "long_help": {
          "type": "string"
        },
        "max_values": {
          "type": "integer"
        },
        "min_values": {
          "type": "integer"
        },
        "multiple": {
          "type": "boolean"
        },
        "multiple_occurences": {
          "type": "boolean"
        },
        "multiple_values": {
          "type": "boolean"
        },
        "next_line_help": {
          "type": "boolean"
        },
        "number_of_values": {
          "type": "integer"
        },
        "overrides_with": {
          "type": "string"
        },
        "overrides_with_all": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "possible_value": {
          "type": "string"
        },
        "possible_values": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "raw": {
          "type": "boolean"
        },
        "require_delimiter": {
          "type": "boolean"
        },
        "require_equals": {
          "type": "boolean"
        },
        "required": {
          "type": "boolean"
        },
        "required_if": {
          "$ref": "#/structures/tuple2StrStr"
        },
        "required_ifs": {
          "type": "array",
          "items": {
            "$ref": "#/structures/tuple2StrStr"
          }
        },
        "required_unless": {
          "type": "string"
        },
        "required_unless_all": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "required_unless_one": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "requires": {
          "type": "string"
        },
        "requires_all": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "requires_if": {
          "$ref": "#/structures/tuple2StrStr"
        },
        "requires_ifs": {
          "type": "array",
          "items": {
            "$ref": "#/structures/tuple2StrStr"
          }
        },
        "setting": {
          "type": "string"
        },
        "settings": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "short": {
          "$ref": "#/definitions/shortArg"
        },
        "short_alias": {
          "$ref": "#/definitions/shortArg"
        },
        "short_aliases": {
          "type": "array",
          "items": {
            "$ref": "#/definitions/shortArg"
          },
          "uniqueItems": true
        },
        "takes_value": {
          "type": "boolean"
        },
        "use_delimiter": {
          "type": "boolean"
        },
        "value_name": {
          "type": "string"
        },
        "value_names": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "value_terminator": {
          "type": "string"
        },
        "value_delimiter": {
          "type": "string"
        },
        "visible_alias": {
          "type": "string"
        },
        "visible_aliases": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "visible_short_alias": {
          "type": "string"
        },
        "visible_short_aliases": {
          "$ref": "#/structures/arrayStrUnique"
        }
      }
    },
    "argGroup": {
      "properties": {
        "arg": {
          "type": "string"
        },
        "args": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "conflicts_with": {
          "type": "string"
        },
        "conflicts_with_all": {
          "$ref": "#/structures/arrayStrUnique"
        },
        "multiple": {
          "type": "boolean"
        },
        "required": {
          "type": "boolean"
        },
        "requires": {
          "type": "string"
        },
        "requires_all": {
          "$ref": "#/structures/arrayStrUnique"
        }
      },
      "type": "object"
    },
    "shortArg": {
      "maxLength": 1,
      "minLength": 1,
      "pattern": "^[^-]$",
      "type": "string"
    }
  },

  "type": "object",
  "TODO:": "set 'name' as required",
  "properties": {
    "about": {
      "type": "string"
    },
    "after_help": {
      "type": "string"
    },
    "alias": {
      "type": "string"
    },
    "aliases": {
      "$ref": "#/structures/arrayStrUnique"
    },
    "arg": {
      "$ref": "#/definitions/arg"
    },
    "args": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/arg"
      }
    },
    "author": {
      "type": "string"
    },
    "before_help": {
      "type": "string"
    },
    "bin_name": {
      "type": "string"
    },
    "display_order": {
      "type": "integer"
    },
    "global_setting": {
      "type": "string"
    },
    "global_settings": {
      "$ref": "#/structures/arrayStrUnique"
    },
    "group": {
      "$ref": "#/definitions/argGroup"
    },
    "groups": {
      "type": "array",
      "items": {
        "$ref": "#/definitions/argGroup"
      }
    },
    "help_heading": {
      "type": "string"
    },
    "help_template": {
      "type": "string"
    },
    "long_about": {
      "type": "string"
    },
    "long_version": {
      "type": "string"
    },
    "max_term_width": {
      "type": "integer"
    },
    "name": {
      "type": "string"
    },
    "override_help": {
      "type": "string"
    },
    "override_usage": {
      "type": "string"
    },
    "replace": {
      "type": "object",
      "patternProperties": {
        "^.*$": {
          "type": "array",
          "items": {
            "type": "string"
          }
        }
      }
    },
    "setting": {
      "type": "string"
    },
    "settings": {
      "$ref": "#/structures/arrayStrUnique"
    },
    "subcommand": {
      "$ref": "#"
    },
    "subcommands": {
      "type": "array",
      "items": {
        "$ref": "#"
      }
    },
    "term_width": {
      "type": "string"
    },
    "version": {
      "type": "string"
    },
    "visible_alias": {
      "type": "string"
    },
    "visible_aliases": {
      "$ref": "#/structures/arrayStrUnique"
    }
  }
}