*/
protected void validateXObjectContent() throws ValidationException
{
PreflightPath vPath = context.getValidationPath();
PreflightContentStream csWrapper = new PreflightContentStream(context, vPath.getClosestPathElement(PDPage.class));
csWrapper.validXObjContentStream(pdXObj);
}
/**
* A Form XObject may contain a Group object (Key =" Group"). If a Group object is present, this method checks if
* the S entry is present and if its value is different from "Transparency".