<?php declare(strict_types=1); namespace PhpParser\Lexer\TokenEmulator; /** @internal */ abstract class TokenEmulator { abstract public function getPhpVersion(): string; abstract public function isEmulationNeeded(string $code): bool; /** * @return array Modified Tokens */ abstract public function emulate(string $code, array $tokens): array; /** * @return array Modified Tokens */ abstract public function reverseEmulate(string $code, array $tokens): array; public function preprocessCode(string $code, array &$patches): string { return $code; } }