class_docstr: Construct a CANINE tokenizer (i.e. a character splitter). It turns text into a sequence of characters, and then
  converts each character into its Unicode code point.
  
  [`CanineTokenizer`] inherits from [`PreTrainedTokenizer`].
  
  Refer to superclass [`PreTrainedTokenizer`] for usage examples and documentation concerning parameters.
  
  Args:
      model_max_length (`int`, *optional*, defaults to 2048):
              The maximum sentence length the model accepts.
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docstr: Create a mask from the two sequences passed to be used in a sequence-pair classification task. A CANINE
  sequence pair mask has the following format:
  
  ```
  0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1
  | first sequence    | second sequence |
  ```
  
  If `token_ids_1` is `None`, this method only returns the first portion of the mask (0s).
  
  Args:
      token_ids_0 (`List[int]`):
          List of IDs.
      token_ids_1 (`List[int]`, *optional*):
          Optional second list of IDs for sequence pairs.
  
  Returns:
      `List[int]`: List of [token type IDs](../glossary#token-type-ids) according to the given sequence(s).
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code: def create_token_type_ids_from_sequences(
      self,
      token_ids_0: List[int],
      token_ids_1: Optional[List[int]] = None,
  ) -> List[int]:
      """
      Create a mask from the two sequences passed to be used in a sequence-pair classification task. A CANINE
      sequence pair mask has the following format:
  
      ```
      0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1
      | first sequence    | second sequence |
      ```
  
      If `token_ids_1` is `None`, this method only returns the first portion of the mask (0s).
  
      Args:
          token_ids_0 (`List[int]`):
              List of IDs.
          token_ids_1 (`List[int]`, *optional*):
              Optional second list of IDs for sequence pairs.
  
      Returns:
          `List[int]`: List of [token type IDs](../glossary#token-type-ids) according to the given sequence(s).
      """
      sep = [self.sep_token_id]
      cls = [self.cls_token_id]
  
      result = len(cls + token_ids_0 + sep) * [0]
      if token_ids_1 is not None:
          result += len(token_ids_1 + sep) * [1]
      return result
  
file_path: H2O/h2o_flexgen/benchmark/third_party/transformers/src/transformers/models/canine/tokenization_canine.py
imports: from typing import Dict, List, Optional
  from ...tokenization_utils import AddedToken, PreTrainedTokenizer
  from ...utils import logging
label_desc: Use image node_id 9 for calling the CanineTokenizer obj's underlying member method code with example usage: obj.create_token_type_ids_from_sequences(token_ids_0, token_ids_1) and returns: result