code: private TemplateImpl load(String path, ParserRuleContext errCtx) {
  
    	path = Paths.resolvePath(currentEnvironment.path, path);
    	
      try {
        return (TemplateImpl) engine.load(path);
      }
      catch (IOException | ParseException e) {
        throw new ExecutionException("error importing " + path, e, getLocation(errCtx));
      }
    }
docs: Loads a template from the supplied template loader.