// the base-class with the plugin-interface
#include 

// the base factory for the plugin
#include 

class XPLUGIN_API Plugin02 : public plugin::PluginBase
{
  public:
    Plugin02(int a, std::string b)
        : m_a(a),
          m_b(b)
    {
    }
    std::string name() override
    {
        return "Plugin02";
    }

  private:
    int m_a;
    std::string m_b;
};

template class XPLUGIN_API xp::xfactory;

using factory_type = xp::xfactory;
XPLUGIN_CREATE_XPLUGIN_FACTORY(factory_type);