def METHOD_NAME(
    _modelCacheObj: JumpStartModelsCache,
    key: JumpStartCachedS3ContentKey,
    value: JumpStartCachedS3ContentValue,
) -> JumpStartCachedS3ContentValue:
    filetype, s3_key = key.file_type, key.s3_key
    if filetype == JumpStartS3FileType.MANIFEST:
        return JumpStartCachedS3ContentValue(
            formatted_content=get_formatted_manifest(BASE_MANIFEST)
        )
    if filetype == JumpStartS3FileType.SPECS:
        _, model_id, specs_version = s3_key.split("/")
        version = specs_version.replace("specs_v", "").replace(".json", "")
        return JumpStartCachedS3ContentValue(
            formatted_content=get_spec_from_base_spec(model_id=model_id, version=version)
        )
    raise ValueError(f"Bad value for filetype: {filetype}")