composer-require-checker.json

{
    "symbol-whitelist": [
        "Yiisoft\\Yii\\Debug\\Collector\\CollectorTrait",
        "Yiisoft\\Yii\\Debug\\Collector\\SummaryCollectorInterface",
        "pcntl_signal",
        "pcntl_signal_dispatch",
        "SIGCONT",
        "SIGHUP",
        "SIGINT",
        "SIGTERM",
        "SIGTSTP"
    ]
}