{
  "error": {
    "properties": {
      "code": {
        "type": "string"
      },
      "message": {
        "type": "string"
      }
    },
    "required": [
      "code"
    ],
    "type": "object"
  },
  "group": {
    "description": "this expresses a group of users",
    "properties": {
      "admin": {
        "anyOf": [
          {
            "$ref": "#/definitions/user"
          }
        ],
        "nullable": true
      },
      "created_at": {
        "format": "date-time",
        "type": "string"
      },
      "id": {
        "$ref": "#/definitions/id"
      },
      "members": {
        "items": {
          "$ref": "#/definitions/user"
        },
        "type": "array"
      }
    },
    "required": [
      "id",
      "admin",
      "members",
      "created_at"
    ],
    "title": "Group",
    "type": "object"
  },
  "id": {
    "description": "id type",
    "type": "integer"
  },
  "not_found": {
    "allOf": [
      {
        "$ref": "#/definitions/error"
      },
      {
        "properties": {
          "code": {
            "constant": "not_found"
          }
        },
        "required": [
          "code"
        ],
        "type": "object"
      }
    ]
  },
  "password": {
    "maxLength": 128,
    "minLength": 1,
    "pattern": "[a-z0-9!\"#$%&'()=~|@]+",
    "type": "string"
  },
  "user": {
    "properties": {
      "SNSs": {
        "items": {
          "type": "string"
        },
        "type": "array"
      },
      "id": {
        "$ref": "#/definitions/id",
        "description": "unique id of the user"
      },
      "name": {
        "nullable": true,
        "type": "string"
      },
      "type": {
        "enum": [
          "admin",
          "writer",
          "reader"
        ],
        "type": "string"
      }
    },
    "required": [
      "id",
      "name",
      "type",
      "SNSs"
    ],
    "title": "User",
    "type": "object"
  }
}