gcs

func (b Backend) Delete(ctx context.Context, path string) error

func (b Backend) DeleteIf(ctx context.Context, path string, expected backend.Version) error

func (b Backend) GetMetadata(ctx context.Context, path string) (backend.Metadata, error)

func (b Backend) List(ctx context.Context, dirPath string) (backend.ListIter, error)

func (b Backend) Read(ctx context.Context, path string) (backend.ReadReply, error)

func (b Backend) ReadIfModified(ctx context.Context,
	path string,
	version int64,
) (backend.ReadReply, error)

func (b Backend) SetTagsIf(
	ctx context.Context,
	path string,
	expected backend.Version,
	t backend.Tags,
) (backend.Metadata, error)

func (b Backend) Write(ctx context.Context,
	path string,
	value []byte,
	t backend.Tags,
) (meta backend.Metadata, err error)

func (b Backend) WriteIf(
	ctx context.Context,
	path string,
	value []byte,
	expected backend.Version,
	t backend.Tags,
) (meta backend.Metadata, err error)

func (b Backend) WriteIfNotExists(
	ctx context.Context,
	path string,
	value []byte,
	t backend.Tags,
) (meta backend.Metadata, err error)