public PageLinksBuilder
 (
     IUrlBaseBuilder urlBaseBuilder,
     IPageLinksFormatter linksFormatter
 )
 {
     _urlBaseBuilder = urlBaseBuilder ?? throw new ArgumentNullException(nameof(urlBaseBuilder));
     _linksFormatter = linksFormatter ?? throw new ArgumentNullException(nameof(linksFormatter));
 }
 public LinkTemplatesController
 (
     IUrlBaseBuilder urlBaseBuilder,
     ILinkTemplatesBuilder linkTemplatesBuilder
 )
 {
     _urlBaseBuilder       = urlBaseBuilder ?? throw new ArgumentNullException(nameof(urlBaseBuilder));
     _linkTemplatesBuilder = linkTemplatesBuilder ?? throw new ArgumentNullException(nameof(linkTemplatesBuilder));
 }