Retrieving highlighted text

val pageIndex = 0
val annotations: List<Annotation> = document.annotationProvider.getAnnotations(pageIndex)
val highlightedTextMarkups: MutableList<String> = ArrayList()
for (annotation in annotations) {
    if (annotation is TextMarkupAnnotation) {
        val highlightedText = annotation.highlightedText
        highlightedText?.let { highlightedTextMarkups.add(it) }
    }
}

final int pageIndex = 0;
List<Annotation> annotations = document.getAnnotationProvider().getAnnotations(pageIndex);
List<String> highlightedTextMarkups = new ArrayList<>();
for (Annotation annotation : annotations) {
    if (annotation instanceof TextMarkupAnnotation) {
        TextMarkupAnnotation textMarkupAnnotation = (TextMarkupAnnotation) annotation;
        String highlightedText = textMarkupAnnotation.getHighlightedText();
        highlightedTextMarkups.add(highlightedText);
    }
}