private void closeProcess() {
			try {
				if (process != null) {
					process.destroy();
					process = null;
				}
			}
			catch (Exception e) {
				// we tried
			}
		}
Returns messages sent from JAD process to stdin and stderr.
@return messages sent from JAD process to stdin and stderr
Ghidra/Features/FileFormats/src/main/java/ghidra/file/jad/JadProcessController.java