use BookStack\References\ModelResolvers\BookLinkModelResolver;
use BookStack\References\ModelResolvers\BookshelfLinkModelResolver;
use BookStack\References\ModelResolvers\ChapterLinkModelResolver;
use BookStack\References\ModelResolvers\BookLinkModelResolver;
use BookStack\References\ModelResolvers\BookshelfLinkModelResolver;
use BookStack\References\ModelResolvers\ChapterLinkModelResolver;