KanbanBoardWebPart01.ts

 export default class KanbanBoardWebPart extends BaseClientSideWebPart<IKanbanBoardWebPartProps> {
   // ....
  private statuses: string[] = ["Not Started", "In Progress", "Completed"];
  private tasks: ITask[] = [
    {
      Id: 1,
      Status: "Not Started",
      Title: "Task 01"
    },
    {
      Id: 2,
      Status: "Not Started",
      Title: "Task 02"
    },
    {
      Id: 3,
      Status: "In Progress",
      Title: "Task 03"
    },
    {
      Id: 4,
      Status: "In Progress",
      Title: "Task 04"
    },
    {
      Id: 5,
      Status: "Completed",
      Title: "Task 05"
    },
    {
      Id: 6,
      Status: "Completed",
      Title: "Task 06"
    }
  ];

// ...
 }