def METHOD_NAME(self):
    return {
        "oneOf": [
            {
                "type": "null",
                "title": "disabled",
                "description": "Disable quantization.",
                "parameter_metadata": convert_metadata_to_json(LLM_METADATA["quantization"]["_oneOf"]["none"]),
            },
            {
                **schema_utils.unload_jsonschema_from_marshmallow_class(QuantizationConfig),
                "title": "enabled",
                "description": "Set quantization options.",
                "parameter_metadata": convert_metadata_to_json(LLM_METADATA["quantization"]["_oneOf"]["object"]),
            },
        ],
        "title": "quantization",
        "description": "Set quantization options.",
        "parameter_metadata": convert_metadata_to_json(LLM_METADATA["quantization"]["_meta"]),
    }