выражение выражения Lamda и
x => x.Lists.Include(l => l.Title)
.Where(l => l.Title != String.Empty)
.Where(l => l.InternalName != String.Empty)
Code with bulbul
x => x.Lists.Include(l => l.Title)
.Where(l => l.Title != String.Empty)
.Where(l => l.InternalName != String.Empty)