code: def _SkipFieldContents(tokenizer):
    
    # Try to guess the type of this field.
    # If this field is not a message, there should be a ":" between the
    # field name and the field value and also the field value should not
    # start with "{" or "<" which indicates the beginning of a message body.
    # If there is no ":" or there is a "{" or "<" after ":", this field has
    # to be a message or the input is ill-formed.
    if tokenizer.TryConsume(':') and not tokenizer.LookingAt(
        '{') and not tokenizer.LookingAt('<'):
      _SkipFieldValue(tokenizer)
    else:
      _SkipFieldMessage(tokenizer)
docs: Skips over contents (value or message) of a field.
  
    Args:
      tokenizer: A tokenizer to parse the field name and values.