text: import operator
  
  DEFAULT_RESULTS_LIMIT = 100
  DEFAULT_SEARCH_BACKEND = 'mayan.apps.dynamic_search.backends.django.DjangoSearchBackend'
  DEFAULT_SEARCH_BACKEND_ARGUMENTS = {}
  DEFAULT_SEARCH_DISABLE_SIMPLE_SEARCH = False
  DEFAULT_SEARCH_MATCH_ALL_DEFAULT_VALUE = 'false'
  DEFAULT_SEARCH_RESULTS_LIMIT = 100
  
  DEFAULT_SCOPE_ID = '0'
  
  DELIMITER = '_'
  
  SEARCH_MODEL_NAME_KWARG = 'search_model_name'
  TASK_RETRY_DELAY = 5
  
  SCOPE_MARKER = '__'
  SCOPE_MATCH_ALL = 'match_all'
  SCOPE_OPERATOR_MARKER = 'operator'
  SCOPE_RESULT_MAKER = 'result'
  
  SCOPE_OPERATOR_AND = 'AND'
  SCOPE_OPERATOR_OR = 'OR'
  SCOPE_OPERATOR_NOT = 'NOT'
  
  SCOPE_OPERATOR_CHOICES = {
      SCOPE_OPERATOR_AND: operator.and_,
      SCOPE_OPERATOR_OR: operator.or_,
      SCOPE_OPERATOR_NOT: operator.not_
  }
  