static void checkProviderDoesNotLeakPSI(@NotNull CachedValueProvider<?> provider, @NotNull Key<?> key, @NotNull UserDataHolder userDataHolder) {
    if (!DO_CHECKS || ApplicationManagerEx.isInStressTest()) {
      return;
    }
    if (!ourCheckedKeys.add(key.toString())) {
      return; // store strings because keys are created afresh in each (test) project
    }

    findReferencedPsi(provider, key, userDataHolder);
  }
static void checkProviderDoesNotLeakPSI(@NotNull CachedValueProvider<?> provider, @NotNull Key<?> key, @NotNull UserDataHolder userDataHolder)