{
    "openapi": "3.0.1",
    "info": {
      "title": "API",
      "version": "v1"
    },
    "paths": {
      "/api/admin/test": {
        "get": {
          "summary": "Test",
          "parameters": [
            {
                "name": "taskType",
                "in": "path",
                "required": true,
                "schema": {"$ref": "#/components/schemas/TaskType" }
            }
          ],
          "responses": {
            "200": {
              "description": "Success"
            }
          }
        }
      }
    },
    "components": {
        "schemas": {
          "TaskType": {
            "enum": [
              "This",
              "That",
              "Other"
            ],
            "type": "string"
          },
          "AnotherType": {
            "type": "object",
            "properties": {
              "user": {
                "type": "string",
                "nullable": true
              }
            },
            "additionalProperties": false
          }
        }
    }
  }