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<?php class CoreTransliterator { public static function create(string $id, int $direction = self::FORWARD): ?CoreTransliterator { } } trait EmojiTransliteratorTrait { public static function create(string $id, int $direction = self::FORWARD): self { } } class EmojiTransliterator extends CoreTransliterator { use EmojiTransliteratorTrait; }
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