code: public static function resolveCurie($curie): string
      {
          $key = (string)$curie;
          if (isset(self::$curies[$key])) {
              return self::$classes[self::$curies[$key]];
          }
  
          throw new NoMessageForCurie(SchemaCurie::fromString($key));
      }
docs: Returns the fully qualified php class name to be used for the provided curie.
  
  @param SchemaCurie|string $curie
  
  @return Message
  
  @throws NoMessageForCurie