class_docstr: Holds the precomputed values of a `GraphNode` from a previous training.
  
  Pre-computed values can either be
  - values loaded from cache
  - values which were provided during the fingerprint run by input nodes
docstr: Returns the precomputed output.
docstr_tok: ["Returns","the","precomputed","output","."]
code: def get_value(self) -> Cacheable:
      """Returns the precomputed output."""
      return self._output
  
imports: from __future__ import annotations
  from typing import Any, Dict, Optional, Text, Type
  import dataclasses
  import uuid
  from rasa.engine.caching import Cacheable, TrainingCache
  from rasa.engine.graph import ExecutionContext, GraphComponent, SchemaNode
  from rasa.engine.storage.resource import Resource
  from rasa.engine.storage.storage import ModelStorage
  from rasa.engine.training import fingerprinting
label_desc: Use image node_id 3 for calling the PrecomputedValueProvider obj's underlying member method code with example usage: obj.get_value() and returns: self