public ByteArrayOutputStream decompressBlock(int blockIndex) throws IOException {
		InputStream compressedIn = new ByteArrayInputStream(blockList.get(blockIndex).readBlock());
		return zlib.decompress(compressedIn, defaultBlockSize);

	}
Decompress the specified block.
@param blockIndex the block to decompress.
@return decompressed output stream.
@throws IOException if zlib decompress fails.
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/cramfs/CramFsInputStream.java