if err != nil {
		return err
	}

	literalState, err := rbr.val(r.seqTableBits[seqLiteral])
	if err != nil {
		return err
	}

	offsetState, err := rbr.val(r.seqTableBits[seqOffset])
	if err != nil {
		return err
	}

	matchState, err := rbr.val(r.seqTableBits[seqMatch])
	if err != nil {
		return err
	}

	// Read and perform all the sequences. RFC 3.1.1.4.

	window window

	// A buffer available to hold a compressed block.
	compressedBuf []byte

	// A buffer for literals.
	literals []byte

	// Sequence decode FSE tables.
	seqTables    [3][]fseBaselineEntry
	seqTableBits [3]uint8

	// Buffers for sequence decode FSE tables.
	seqTableBuffers [3][]fseBaselineEntry

	// Scratch space used for small reads, to avoid allocation.
	scratch [16]byte