@Override
	public InputBlockStream getInputBlockStream() throws IOException {
		if (versionFileHandler != null) {
			// Must stream at the buffer level to allow for various buffer source files
			return new LocalBufferInputBlockStream();
		}
		return super.getInputBlockStream();
	}
Obtain a direct stream to read all blocks of this buffer file 
@return input block stream
@throws IOException
Ghidra/Framework/DB/src/main/java/db/buffers/LocalManagedBufferFile.java