public void dispose() {
		if (in != null) {
			try {
				in.close();
			}
			catch (IOException e) {
			}
			finally {
				in = null;
			}
		}
	}
Close packed-file input stream and free resources.
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/ItemDeserializer.java