public boolean isReadOnly() {
		if (!connected) {
			return readOnly; // connect intention
		}
		try {
			return protocolConnector.isReadOnly();
		}
		catch (NotConnectedException e) {
			throw new AssertException(e); // unexpected
		}
	}
Connection was opened as read-only
@return true if read-only connection
Ghidra/Framework/Project/src/main/java/ghidra/framework/protocol/ghidra/GhidraURLConnection.java