boost::optional<boost::property_tree::ptree> jsonDatabaseConfiguration;
std::string sourceForDatabaseConfiguration;
std::unordered_map<std::string, std::pair<boost::property_tree::ptree, std::string>> jsonNamespaceConfigurations;
boost::optional<boost::property_tree::ptree> jsonDatabaseConfiguration;
std::string sourceForDatabaseConfiguration;
std::unordered_map<std::string, std::pair<boost::property_tree::ptree, std::string>> jsonNamespaceConfigurations;