Map deeply nested JSON structures to Gantt task properties using the
parsing option — supports dot-notation paths and transform functions
parsing: {
id: 'task.uuid',
name: 'task.meta.title',
startTime: 'task.schedule.start',
endTime: 'task.schedule.end',
parentId: 'task.meta.parent',
dependency: 'task.relations.dependsOn',
type: 'task.meta.kind',
progress: { key: 'task.tracking.ratio', transform: v => v * 100 },
barBackgroundColor: 'task.display.color',
}