1  >var obj: string;

    ~~~~~~~~~~~~~~~~~                             => Pos: (0 to 16)  SpanInfo: undefined
--------------------------------
2  >with (obj) {

    ~~~~~~~~~~~~~                                 => Pos: (17 to 29)  SpanInfo: {"start":34,"length":6}
    >x = 10
    >:=> (line 3, col 4) to (line 3, col 10)
--------------------------------
3  >    x = 10;

    ~~~~~~~~~~~~                                  => Pos: (30 to 41)  SpanInfo: {"start":34,"length":6}
    >x = 10
    >:=> (line 3, col 4) to (line 3, col 10)
--------------------------------
4  >}
    ~                                             => Pos: (42 to 42)  SpanInfo: {"start":34,"length":6}
    >x = 10
    >:=> (line 3, col 4) to (line 3, col 10)