https://docs.nvidia.com/holoscan/archive/3.4.0/api/cpp/structyaml_1_1convert_3_01holoscan_1_1ops_1_1holovizop_1_1layercallbackfunction_01_4.html
Template Struct convert holoscan::ops::HolovizOp::LayerCallbackFunction - NVIDIA Docs
templatestructconvertopsnvidia