@Override
  public void mergeExternalData(@NotNull Element internalComponent, @NotNull Element externalComponent) {
    JDOMUtil.deepMerge(internalComponent, externalComponent);
    JDOMUtil.reduceChildren(BYTECODE_TARGET_LEVEL, internalComponent);
  }
@Override
  public void mergeExternalData(@NotNull Element internalComponent, @NotNull Element externalComponent)