class_docstr: Base class for all app integrations to be implemented for various services
code: def __init__(self, event, context):
      self._config = AppConfig.load_config(event, context)
      self._batcher = Batcher(
          self._config.function_name, self._config.destination_function
      )
      self._gathered_log_count = 0
      self._more_to_poll = False
      self._poll_count = 0
      self._last_timestamp = 0
      self._context = {}
  
imports: from abc import ABCMeta, abstractmethod, abstractproperty
  from json import JSONDecodeError
  import time
  import boto3
  from botocore.exceptions import ClientError
  import requests
  from streamalert.apps.config import AppConfig
  from streamalert.apps.batcher import Batcher
  from streamalert.shared.logger import get_logger
label_desc: Use image node_id 1 to create a new AppIntegration object  with example: obj = AppIntegration(event, context)