{"ast_node_type":"variable","tokens":[{"end":18,"kind":"keyword","start":0,"text":"let"}]}
        let text =
        assert_eq!(text, "the quick foxes\nDREAM\nthey have quiet dreams\nDON'T THEY?\n");
            apply_document_changes(encoding, &text, c![0, 10; 1, 5 => "", 2, 0; 2, 12 => ""]);