class_docstr: A class used to verify usage of intents and utterances.
class_docstr_tok: ["A","class","used","to","verify","usage","of","intents","and","utterances","."]
docstr: Runs all the validations on intents and utterances.
docstr_tok: ["Runs","all","the","validations","on","intents","and","utterances","."]
code: def verify_nlu(self, ignore_warnings: bool = True) -> bool:
      """Runs all the validations on intents and utterances."""
      logger.info("Validating intents...")
      intents_are_valid = self.verify_intents_in_stories(
          ignore_warnings
      )
  
      logger.info("Validating uniqueness of intents and stories...")
      there_is_no_duplication = (
          self.verify_example_repetition_in_intents(ignore_warnings)
      )
  
      logger.info("Validating utterances...")
      stories_are_valid = self.verify_utterances_in_stories(
          ignore_warnings
      )
      return (
          intents_are_valid
          and stories_are_valid
          and there_is_no_duplication
      )
  
imports: import logging
  from collections import defaultdict
  from typing import Set, Text, Optional, Dict, Any, List
  import rasa.core.training.story_conflict
  import rasa.shared.nlu.constants
  from rasa.shared.constants import ASSISTANT_ID_DEFAULT_VALUE, ASSISTANT_ID_KEY, CONFIG_MANDATORY_KEYS, DOCS_URL_DOMAINS, DOCS_URL_FORMS, UTTER_PREFIX, DOCS_URL_ACTIONS, REQUIRED_SLOTS_KEY
  from rasa.shared.core import constants
  from rasa.shared.core.constants import MAPPING_CONDITIONS, ACTIVE_LOOP
  from rasa.shared.core.events import ActionExecuted, ActiveLoop
  from rasa.shared.core.events import UserUttered
  from rasa.shared.core.domain import Domain
  from rasa.shared.core.generator import TrainingDataGenerator
  from rasa.shared.core.constants import SlotMappingType, MAPPING_TYPE
  from rasa.shared.core.training_data.structures import StoryGraph
  from rasa.shared.importers.importer import TrainingDataImporter
  from rasa.shared.nlu.training_data.training_data import TrainingData
  import rasa.shared.utils.io
label_desc: Use image node_id 12 for calling the Validator obj's underlying member method code with example usage: obj.verify_nlu(ignore_warnings) and returns: unknown