public synchronized static boolean initialize() {
		try {
			return getKeyManagerWrapper().init();
		}
		catch (CancelledException e) {
			return false;
		}
	}
Initialize key manager if needed.  Doing this explicitly independent of an SSL connection
allows application to bail before initiating connection.  This will get handshake failure
if user forgets keystore password or other keystore problem.
@return true if key manager initialized, otherwise false
Ghidra/Framework/Generic/src/main/java/ghidra/net/ApplicationKeyManagerFactory.java