Libraries which containing the PHP class ResponderResolver

Solve: PHP Fatal error: Uncaught Error: Class "ResponderResolver" not found

Sinpe\Framework\Http\ResponderResolver

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This class belongs to the vendor Long and the package Guanzy

HydrefLab\Laravel\ADR\Responder\ResponderResolver

Namespace:

This class belongs to the vendor Hydreflab and the package Laravel-adr