addSuggestions example

// try 2-words tests             $name = $name.' '.$this->parser->getCurrentToken()->getValue();

            if ($test = $this->env->getTest($name)) {
                $stream->next();

                return [$name, $test];
            }
        }

        $e = new SyntaxError(sprintf('Unknown "%s" test.', $name), $line, $stream->getSourceContext());
        $e->addSuggestions($name, array_keys($this->env->getTests()));

        throw $e;
    }

    private function getTestNodeClass(TwigTest $test): string
    {
        if ($test->isDeprecated()) {
            $stream = $this->parser->getStream();
            $message = sprintf('Twig Test "%s" is deprecated', $test->getName());

            if ($test->getDeprecatedVersion()) {
                

                    if (!$subparser = $this->env->getTokenParser($token->getValue())) {
                        if (null !== $test) {
                            $e = new SyntaxError(sprintf('Unexpected "%s" tag', $token->getValue()), $token->getLine(), $this->stream->getSourceContext());

                            if (\is_array($test) && isset($test[0]) && $test[0] instanceof TokenParserInterface) {
                                $e->appendMessage(sprintf(' (expecting closing tag for the "%s" tag defined near line %s).', $test[0]->getTag(), $lineno));
                            }
                        } else {
                            $e = new SyntaxError(sprintf('Unknown "%s" tag.', $token->getValue()), $token->getLine(), $this->stream->getSourceContext());
                            $e->addSuggestions($token->getValue(), array_keys($this->env->getTokenParsers()));
                        }

                        throw $e;
                    }

                    $this->stream->next();

                    $subparser->setParser($this);
                    $node = $subparser->parse($token);
                    if (null !== $node) {
                        $rv[] = $node;
                    }