AdapterFactory constructor Null safety

AdapterFactory(
  1. [AuthAdapterMap? adapterMap]
)

Implementation

AdapterFactory([AuthAdapterMap? adapterMap])
    : _adapterMap = adapterMap ??
          {
            AuthAdapter.credentials: AuthCredentialsAdapter(),
            AuthAdapter.apple: AppleSignInAdapter(),
            AuthAdapter.facebook: FacebookAuthAdapter()
          };