refactor: add readonly

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kenjis 2024-02-13 09:40:11 +09:00
parent eb2eb0a6eb
commit 4ea7da130e
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@ -66,7 +66,7 @@ final class DataCaster
/**
* Helper object.
*/
private ?object $helper;
private readonly ?object $helper;
/**
* @param array<string, class-string>|null $castHandlers Custom convert handlers