Content rewriter for PageModelApi can result in NPE in case of broken links

final HstLink hstLink = getDocumentLink(documentPath, node, requestContext, targetMount);
                    if (hstLink == null || hstLink.isNotFound() || hstLink.getPath() == null) {
                        if (removeAnchorTagOfBrokenLink) {
                            log.info("Could not create a link for '{}'. Removing the anchor now maintaining the text.",
                                    documentPath);

                            final ContentNode textContent = new ContentNode(anchorTag.getText().toString());
                            anchorTag.getParent().insertChildAfter(anchorTag, textContent);
                            anchorTag.getParent().removeChild(anchorTag);
                            continue;
                        } else {
                            log.info("Could not create a link for '{}'.", documentPath);
                        }
                    }

                    // use link model because the hst link we want is from the 'site mount' and not from the
                    // 'page model api mount'
                    final LinkModel linkModel = LinkModel.convert(hstLink, requestContext);

final HstLink hstLink = getDocumentLink(documentPath, node, requestContext, targetMount);
                    if (hstLink == null || hstLink.isNotFound() || hstLink.getPath() == null) {
                        if (removeAnchorTagOfBrokenLink) {
                            log.info("Could not create a link for '{}'. Removing the anchor now maintaining the text.",
                                    documentPath);

                            final ContentNode textContent = new ContentNode(anchorTag.getText().toString());
                            anchorTag.getParent().insertChildAfter(anchorTag, textContent);
                            anchorTag.getParent().removeChild(anchorTag);
                        } else {
                            log.info("Could not create a link for '{}'.", documentPath);
                        }
                            continue;
                    }

                    // use link model because the hst link we want is from the 'site mount' and not from the
                    // 'page model api mount'
                    final LinkModel linkModel = LinkModel.convert(hstLink, requestContext);