text: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from typing import Any, Optional, Text  # NOQA: mypy types
  
  
  DEFAULT_PORT = 8080
  DEFAULT_SOURCE = "trino-python-client"
  DEFAULT_CATALOG = None  # type: Optional[Text]
  DEFAULT_SCHEMA = None  # type: Optional[Text]
  DEFAULT_AUTH = None  # type: Optional[Any]
  DEFAULT_MAX_ATTEMPTS = 3
  DEFAULT_REQUEST_TIMEOUT = 30.0  # type: float
  
  HTTP = "http"
  HTTPS = "https"
  
  URL_STATEMENT_PATH = "/v1/statement"
  
  HEADER_CATALOG = "X-Trino-Catalog"
  HEADER_SCHEMA = "X-Trino-Schema"
  HEADER_SOURCE = "X-Trino-Source"
  HEADER_USER = "X-Trino-User"
  HEADER_CLIENT_INFO = "X-Trino-Client-Info"
  
  HEADER_SESSION = "X-Trino-Session"
  HEADER_SET_SESSION = "X-Trino-Set-Session"
  HEADER_CLEAR_SESSION = "X-Trino-Clear-Session"
  
  HEADER_STARTED_TRANSACTION = "X-Trino-Started-Transaction-Id"
  HEADER_TRANSACTION = "X-Trino-Transaction-Id"
  
  HEADER_PREPARED_STATEMENT = 'X-Trino-Prepared-Statement'
  HEADER_ADDED_PREPARE = 'X-Trino-Added-Prepare'
  HEADER_DEALLOCATED_PREPARE = 'X-Trino-Deallocated-Prepare'
  