code: def init_app(self, app: Flask) -> None:
      self._config = app.config
      self._concrete_type_adapter = self._config[  # type: ignore
          "SQLALCHEMY_ENCRYPTED_FIELD_TYPE_ADAPTER"
      ]()
  
imports: import logging
  from abc import ABC, abstractmethod
  from typing import Any, Optional
  from flask import Flask
  from flask_babel import lazy_gettext
  from sqlalchemy import text, TypeDecorator
  from sqlalchemy.engine import Connection, Dialect, Row
  from sqlalchemy_utils import EncryptedType
label_desc: Use image node_id 2 for calling the EncryptedFieldFactory obj's underlying member method code with example usage: obj.init_app(app) without return types