class_docstr: Engine spec for clickhouse-connect connector
code: def validate_parameters(
      cls, properties: BasicPropertiesType
  ) -> list[SupersetError]:
      # pylint: disable=import-outside-toplevel,import-error
      from clickhouse_connect.driver import default_port
  
      parameters = properties.get("parameters", {})
      host = parameters.get("host", None)
      if not host:
          return [
              SupersetError(
                  "Hostname is required",
                  SupersetErrorType.CONNECTION_MISSING_PARAMETERS_ERROR,
                  ErrorLevel.WARNING,
                  {"missing": ["host"]},
              )
          ]
      if not is_hostname_valid(host):
          return [
              SupersetError(
                  "The hostname provided can't be resolved.",
                  SupersetErrorType.CONNECTION_INVALID_HOSTNAME_ERROR,
                  ErrorLevel.ERROR,
                  {"invalid": ["host"]},
              )
          ]
      port = parameters.get("port")
      if port is None:
          port = default_port(
              "http", parameters.get("encryption", False)
          )
      try:
          port = int(port)
      except (ValueError, TypeError):
          port = -1
      if port <= 0 or port >= 65535:
          return [
              SupersetError(
                  "Port must be a valid integer between 0 and 65535 (inclusive).",
                  SupersetErrorType.CONNECTION_INVALID_PORT_ERROR,
                  ErrorLevel.ERROR,
                  {"invalid": ["port"]},
              )
          ]
      if not is_port_open(host, port):
          return [
              SupersetError(
                  "The port is closed.",
                  SupersetErrorType.CONNECTION_PORT_CLOSED_ERROR,
                  ErrorLevel.ERROR,
                  {"invalid": ["port"]},
              )
          ]
      return []
  
imports: from __future__ import annotations
  import logging
  import re
  from datetime import datetime
  from typing import Any, cast, TYPE_CHECKING
  from flask import current_app
  from flask_babel import gettext
  from marshmallow import fields, Schema
  from marshmallow.validate import Range
  from sqlalchemy import types
  from sqlalchemy.engine.url import URL
  from urllib3.exceptions import NewConnectionError
  from superset.databases.utils import make_url_safe
  from superset.db_engine_specs.base import BaseEngineSpec, BasicParametersMixin, BasicParametersType, BasicPropertiesType
  from superset.db_engine_specs.exceptions import SupersetDBAPIDatabaseError
  from superset.errors import ErrorLevel, SupersetError, SupersetErrorType
  from superset.extensions import cache_manager
  from superset.utils.core import GenericDataType
  from superset.utils.hashing import md5_sha_from_str
  from superset.utils.network import is_hostname_valid, is_port_open
label_desc: Use image node_id 7 for calling the ClickHouseConnectEngineSpec obj's underlying member method code with example usage: obj.validate_parameters(cls, properties) and returns: list, list, list, list, list