Method PrefetchBlob

internal/cache/content_cache.go:20–20

(ctx context.Context, blobID blob.ID)

	Close(ctx context.Context)
	GetContent(ctx context.Context, contentID string, blobID blob.ID, offset, length int64, output *gather.WriteBuffer) error
	PrefetchBlob(ctx context.Context, blobID blob.ID) error
	CacheStorage() Storage
}