class_docstr: Uses the T5 tokenizer to convert an input for processing.
  
  For more information, please see the T5 paper, "Exploring the Limits of
  Transfer Learning with a Unified Text-to-Text Transformer".
  Appendix D contains information about the various tasks supported
  by T5.
  
  Supports the following modes:
  
  * summarization: summarize English text
  * english_to_german: translate English to German
  * english_to_french: translate English to French
  * english_to_romanian: translate English to Romanian
class_docstr_tok: ["Uses","the","T5","tokenizer","to","convert","an","input","for","processing",".","For","more","information",",","please","see","the","T5","paper",",","``","Exploring","the","Limits","of","Transfer","Learning","with","a","Unified","Text-to-Text","Transformer","''",".","Appendix","D","contains","information","about","the","various","tasks","supported","by","T5",".","Supports","the","following","modes",":","*","summarization",":","summarize","English","text","*","english_to_german",":","translate","English","to","German","*","english_to_french",":","translate","English","to","French","*","english_to_romanian",":","translate","English","to","Romanian"]
code: def __init__(self, mode="english_to_german", max_length=64):
      if mode == "english_to_german":
          self.tokenization_prefix = "translate English to German: "
      elif mode == "english_to_french":
          self.tokenization_prefix = "translate English to French: "
      elif mode == "english_to_romanian":
          self.tokenization_prefix = "translate English to Romanian: "
      elif mode == "summarization":
          self.tokenization_prefix = "summarize: "
      else:
          raise ValueError(f"Invalid t5 tokenizer mode {mode}.")
  
      self.tokenizer = transformers.AutoTokenizer.from_pretrained(
          "t5-base", use_fast=True
      )
      self.model_max_length = max_length
  
imports: import transformers
label_desc: Use image node_id 1 to create a new T5Tokenizer object  with example: obj = T5Tokenizer(mode, max_length)