text: 
  
  
  #ifndef INCLUDED_CONFIG_ERROR
  #define INCLUDED_CONFIG_ERROR
  
  #pragma once
  
  #include <exception>
  
  
  namespace config
  {
  	struct not_found : std::exception
  	{
  		const char* what() const noexcept override;
  	};
  }
  
  #endif  // INCLUDED_CONFIG_ERROR
  