How to use the node-opcua-packet-analyzer.analyseExtensionObject function in node-opcua-packet-analyzer

private _safe_decode_message_body(fullMessageBody: Buffer, objMessage: any, binaryStream: BinaryStream) {
        try {
            // de-serialize the object from the binary stream
            const options = this.objectFactory;
            objMessage.decode(binaryStream, options);
        } catch (err) {
            console.log(err);
            console.log(err.stack);
            console.log(hexDump(fullMessageBody));
            analyseExtensionObject(fullMessageBody, 0, 0);

            console.log(" ---------------- block");
            let i = 0;
            this.messageChunks.forEach((messageChunk) => {
                console.log(" ---------------- chunk i=", i++);
                console.log(hexDump(messageChunk));
            });
            return false;
        }
        return true;
    }
}

}
                assert(replies.length >= 1, " expecting at least one reply " + JSON.stringify(reply));
                replies.forEach((reply1: any) => {
                    debugLog("\nFAKE SERVER SEND");
                    debugLog(chalk.red(hexDump(reply1)));
                    this._mockTransport.server.write(reply1);
                });

            } else {
                const msg = " MockServerTransport has no more packets to send to client to" +
                  " emulate server responses.... ";
                console.log(chalk.red.bold(msg));
                console.log(chalk.blue.bold(hexDump(data)));

                display_trace_from_this_projet_only();
                analyseExtensionObject(data, 0, 0, {});

                this.emit("done");
            }
        });
    }

messageBuilder.on("full_message_body", (fullMessageBody: Buffer) => {
        console.log("full_message_body received:");
        analyseExtensionObject(fullMessageBody, 0, 0);
    });
    messageBuilder.on("start_chunk", (info) => {