Interface Helper

interface Helper {
    load(
        assetType: ScratchStorage.AssetType,
        assetId: string,
        dataFormat: DataFormat,
    ): Promise<Asset>;
    store(
        assetType: ScratchStorage.AssetType,
        dataFormat: DataFormat,
        data: ArrayBuffer,
        assetId: string,
    ): Promise<unknown>;
}