{"ast_node_type":"variable","tokens":[{"end":81,"kind":"keyword","start":0,"text":"let"}]}
        let file_system_edit = FileSystemEdit::MoveFile { src: src.into(), dst };
    pub fn move_file(&mut self, src: impl Into<FileId>, dst: AnchoredPathBuf) {
        self.source_change.push_file_system_edit(file_system_edit);