@Override
    protected Content getNavLinkPrevious() {
        if (prev == null) {
            return getNavLinkPrevious(null);
        } else {
            DocPath path = DocPath.relativePath(packageElement, prev);
            return getNavLinkPrevious(path.resolve(DocPaths.PACKAGE_TREE));
        }
    }
@ Override protected Content getNavLinkPrevious ( ) { if ( prev == null ) { return getNavLinkPrevious ( null ) ; } else { DocPath path = DocPath . relativePath ( packageElement , prev ) ; return getNavLinkPrevious ( path . resolve ( DocPaths . PACKAGE_TREE ) ) ; } }
Get link for the previous package tree file.

@return a content tree for the link