@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated(forRemoval = true)
  default void registerExternalReference(@NotNull JpsElementReference<?> reference) {
    throw new UnsupportedOperationException();
  }
@SuppressWarnings("DeprecatedIsStillUsed")
  @Deprecated(forRemoval = true)
  default void registerExternalReference(@NotNull JpsElementReference<?> reference)