How do I use Protobuf/FlatBuffers/Cap'n Proto in C++?

// Example of Protobuf in C++
#include 
#include "example.pb.h" // Generated Protobuf header

using namespace std;

int main() {
    // Create a new message
    ExampleMessage msg;
    msg.set_id(1);
    msg.set_name("Test Example");

    // Serialize the message to a string
    string serialized_data;
    msg.SerializeToString(&serialized_data);

    // Deserialize the message from a string
    ExampleMessage new_msg;
    new_msg.ParseFromString(serialized_data);

    cout << "ID: " << new_msg.id() << ", Name: " << new_msg.name() << endl;

    return 0;
}