composer-require-checker.json

{
  "symbol-whitelist": [
    "array",
    "Composer\\Command\\BaseCommand",
    "Composer\\Composer",
    "Composer\\Console\\Application",
    "Composer\\Factory",
    "Composer\\IO\\IOInterface",
    "Composer\\Json\\JsonFile",
    "Composer\\Json\\JsonValidationException",
    "Composer\\Package\\Locker",
    "Composer\\Plugin\\Capability\\CommandProvider",
    "Composer\\Plugin\\Capable",
    "Composer\\Plugin\\PluginInterface",
    "false",
    "int",
    "null",
    "parent",
    "self",
    "string",
    "Symfony\\Component\\Console\\Application",
    "Symfony\\Component\\Console\\Input\\ArrayInput",
    "Symfony\\Component\\Console\\Input\\InputArgument",
    "Symfony\\Component\\Console\\Input\\InputInterface",
    "Symfony\\Component\\Console\\Input\\InputOption",
    "Symfony\\Component\\Console\\Output\\OutputInterface",
    "true",
    "void"
  ]
}