This project is documented at the link below:

https://www.quantlib.org/objecthandler

Here are the instructions for compiling ObjectHandler from source, using released source code:

https://www.quantlib.org/objecthandler/installation.html

There are two ways to build the project:

1. Using Visual Studio solution files, which are maintained manually
2. Using cmake

Here are the instructions to build the project from Visual Studio solution files:

./md/build_vs.md

Here are the instructions to build the project using cmake:

./md/build_cmake.md