// v = '{"columns":[{"id":"treegrid-task"},{"id":"treegrid-work"},{"id":"treegrid-start"},{"id":"treegrid-done"},{"id":"treegrid-end"},{"id":"treegrid-resources"},{"id":"treegrid-costcenter"},{"id":"treegrid-description"},{"id":"treegrid-material","hidden":false},{"id":"treegrid-predecessors"},{"id":"treegrid-prio"},{"id":"treegrid-status"},{"id":"treegrid-nr"},{"id":"treegrid-cosine_deliverable"},{"id":"treegrid-cosine_task_value"}]}';
// v = '{"columns":[{"id":"treegrid-task"},{"id":"treegrid-work"},{"id":"treegrid-start"},{"id":"treegrid-done"},{"id":"treegrid-end"},{"id":"treegrid-resources"},{"id":"treegrid-costcenter"},{"id":"treegrid-description"},{"id":"treegrid-material"},{"id":"treegrid-predecessors"},{"id":"treegrid-prio"},{"id":"treegrid-status"},{"id":"treegrid-nr"},{"id":"treegrid-cosine_deliverable"},{"id":"treegrid-cosine_task_value"}]}';