@Override
	public void close() throws IOException {
		if (raf != null) {
			raf.close();
			raf = null;
		}
		buffers.clear();
		lruBuffers.clear();
	}
Returns the access mode the file was opened with.

@return {@link AccessMode} used to open file
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/FileByteProvider.java