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%\subsection{Design and Implementation Notes}

The ESMF HConfig class is implemented on top of YAML-CPP (https://github.com/jbeder/yaml-cpp).
A copy of YAML-CPP is included in the ESMF source tree under ./src/prologue/yaml-cpp. It is
used by a number of ESMF/NUOPC functions, including HConfig.
