code: function relayMaskTransform(context: CompilerContext): CompilerContext {
    return IRTransformer.transform(
      context,
      {
        FragmentSpread: visitFragmentSpread,
        Fragment: visitFragment,
      },
      () => ({
        reachableArguments: [],
      }),
    );
  }
docs: A transform that inlines fragment spreads with the @relay(mask: false)
  directive.