composer-require-checker.json

{
  "symbol-whitelist": [
    "// the following are definitely shipped with composer",
    "Composer\\Command\\BaseCommand",
    "Composer\\Composer",
    "Composer\\Factory",
    "Composer\\IO\\IOInterface",
    "Composer\\Package\\CompletePackageInterface",
    "Composer\\Package\\PackageInterface",
    "Composer\\Package\\RootPackage",
    "Composer\\Package\\RootPackageInterface",
    "Composer\\PartialComposer",
    "Composer\\Plugin\\Capability\\CommandProvider",
    "Composer\\Plugin\\Capable",
    "Composer\\Plugin\\PluginInterface",
    "Composer\\Repository\\InstalledRepositoryInterface",
    "Composer\\Repository\\LockArrayRepository",
    "Composer\\Semver\\Constraint\\MatchAllConstraint",
    "Symfony\\Component\\Console\\Command\\Command",
    "Symfony\\Component\\Console\\Formatter\\OutputFormatter",
    "Symfony\\Component\\Console\\Input\\InputArgument",
    "Symfony\\Component\\Console\\Input\\InputDefinition",
    "Symfony\\Component\\Console\\Input\\InputInterface",
    "Symfony\\Component\\Console\\Input\\InputOption",
    "Symfony\\Component\\Console\\Output\\OutputInterface"
  ]
}