_build_translation_inputs(raw_inputs, tokenizer_options, generate_kwargs) {
        return _build_translation_inputs(this, raw_inputs, tokenizer_options, generate_kwargs);
    }
Helper function to build translation inputs for an `MBartTokenizer`.
@param {string|string[]} raw_inputs The text to tokenize.
@param {Object} tokenizer_options Options to be sent to the tokenizer
@param {Object} generate_kwargs Generation options.
@returns {Object} Object to be passed to the model.