src/transformers/models/auto/processing_auto.py/AutoProcessor/register
class AutoProcessor:    def register(config_class, processor_class):
        """
        Register a new processor for this class.

        Args:
            config_class ([`PretrainedConfig`]):
                The configuration corresponding to the model to register.
            processor_class ([`FeatureExtractorMixin`]): The processor to register.
        """
        PROCESSOR_MAPPING.register(config_class, processor_class)