class_docstr: An abstraction around lookup tables configuration. LookupTables can be configured in two places.
code: def __init__(self, config=None):
      self._configuration = {}
  
      if config is None:
          config = load_config()
  
      self._load_canonical_configurations(config)
  
imports: from streamalert.shared.config import load_config
label_desc: Use image node_id 1 to create a new LookupTablesConfiguration object  with example: obj = LookupTablesConfiguration(config)