PATH@0..13
  PATH@0..8
    PATH@0..3
      PATH_SEGMENT@0..3
        NAME_REF@0..3
          IDENT@0..3 "foo"
    COLON2@3..5 "::"
    PATH_SEGMENT@5..8
      NAME_REF@5..8
        IDENT@5..8 "bar"
  COLON2@8..10 "::"
  PATH_SEGMENT@10..13
    NAME_REF@10..13
      IDENT@10..13 "baz"