class_docstr: Utility class used to wrap a sequence stream.
  
  Objects of this class will return experiences wrapped
  using class:`ExperienceWrapper`.
docstr: Gets the number of experiences in the wrapped stream.
docstr_tok: ["Gets","the","number","of","experiences","in","the","wrapped","stream","."]
code: def _full_length(self) -> int:
      """
      Gets the number of experiences in the wrapped stream.
      """
      return len(self._wrapped_stream)
  
imports: from typing import Generic, Iterable, Iterator, List, Optional, TypeVar
  from avalanche.benchmarks.scenarios.generic_scenario import CLExperience, CLScenario, CLStream, SequenceCLStream, SizedCLStream
label_desc: Use image node_id 2 for calling the SequenceStreamWrapper obj's underlying member method code with example usage: obj._full_length() and returns: len