Header <boost/text/normalize.hpp>

namespace boost {
  namespace text {
    namespace v1 {
      template<nf Normalization, code_point_iter I, std::sentinel_for< I > S, 
               std::output_iterator< uint32_t > O> 
        O normalize(I, S, O);
      template<nf Normalization, code_point_range R, 
               std::output_iterator< uint32_t > O> 
        O normalize(R &&, O);
      template<nf Normalization, code_point_iter I, std::sentinel_for< I > S> 
        bool normalized(I, S);
      template<nf Normalization, code_point_range R> bool normalized(R &&);
    }
  }
}