class WorkingSet(object):
  def get(self, obj_name: str) -> object:
    """
    Get an object from the working set such as ips, urls, domains and files.
    
    :param obj_name: name of the object to retrieve (e.g. 'all_ips', 'all_urls', 'cell2_domains', 'malicious_files')
    :return: The object for the name. It can be any type (e.g. list, dict, str, int, etc)
    """

  def add(self, source: object, relationship: str, destination: object) -> None:
    """
    Add source object to destination object with relationship.

    :param source: An object to be added in the directed graph as source
    :param destination: An object to be added in the directed graph as destination
    :param relationship: The name of an edge from source object to destination object
    :return: None
    """

  def output(self, text: str) -> None:
    """
    Output text in UI. This is useful to send UI a free from text such as stats and messages.

    :param text: A string to send to UI
    :return: None
    """

class AILib(object):
  def __init__(self, cell: int):
    self.cell = cell
    self.workingset = WorkingSet()
    
  def search(self, query: str, time_range: tuple=('', ''), freq: str='D', **kwargs) -> list:
    """
    Perform a search based on the specified query and time range.
    
    :param query: The query string to search.
    :param time_range: A tuple containing the start and end time for the search.
    :param freq: Frequency string for the pandas date_range.
    :param kwargs: Additional keyword arguments.
    :return: The search results. A list of dictionaries.
    """

  def search_relationship(self, objs: list, relationship: str) -> list:
    """
    Search for the specified relationship among the provided objects.
    
    :param objs: A list of objects to search.
    :param relationship: The relationship to search for. The allowed relationships by object type are shown below.
      ip: 'urls', 'downloaded_files', 'communicating_files'
      url: 'downloaded_files', 'communicating_files'
      file: 'contacted_ips', 'contacted_urls', 'contacted_domains', 'execution_parents', 'dropped_files', 
    :return: The search results. A list of dictionaries. Each dictionary has key of 'parent' and 'related'.
    """
  
  def search_campaign(self, objs: list) -> str:
    """
    Find campaigns associated with objects (e.g. files, IPs, URLs, Domains)
    
    :param objs: objects (e.g. files, IPs, URLs, Domains)
    :return: campaign ID in string.
    """
    
  def get_stats(self, objs: list, threshold: float=0.5) -> str:
  