json_schema: {
      "$ref": "#/definitions/MysqlConnectionOptions",
      "$schema": "http://json-schema.org/draft-04/schema#",
      "definitions": {
          "MysqlConnectionOptions": {
              "defaultProperties": [],
              "properties": {
                  "adapter": {
                      "enum": [
                          "mysql"
                      ],
                      "type": "string"
                  },
                  "connectTimeout": {
                      "type": "number"
                  },
                  "database": {
                      "type": "string"
                  },
                  "host": {
                      "type": "string"
                  },
                  "password": {
                      "type": "string"
                  },
                  "port": {
                      "type": "number"
                  },
                  "user": {
                      "type": "string"
                  }
              },
              "required": [
                  "adapter",
                  "database",
                  "host",
                  "password",
                  "user"
              ],
              "type": "object"
          }
      }
  }