code: def _jsonschema_type_mapping(self):
      return schema_utils.unload_jsonschema_from_marshmallow_class(
          LoraPostprocessorConfig, title="LoraPostprocessor"
      )
  
imports: from abc import ABC, abstractmethod
  from typing import List, Optional, Type, TYPE_CHECKING
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.error import ConfigValidationError
  from ludwig.schema import utils
  from ludwig.schema.metadata import LLM_METADATA
  from ludwig.schema.metadata.parameter_metadata import convert_metadata_to_json
  from ludwig.schema.utils import ludwig_dataclass
  from ludwig.utils.registry import Registry
label_desc: Use image node_id 2 for calling the LoraPostprocessorConfigField obj's underlying member method code with example usage: obj._jsonschema_type_mapping() and returns: schema_utils