Method cloneCustomArgs

api/src/main/java/io/grpc/NameResolver.java:1035–1039

(
          @Nullable IdentityHashMap<Args.Key<?>, Object> customArgs)

  }

  @Nullable
  private static IdentityHashMap<Args.Key<?>, Object> cloneCustomArgs(
          @Nullable IdentityHashMap<Args.Key<?>, Object> customArgs) {
    return customArgs != null ? new IdentityHashMap<>(customArgs) : null;
  }
}