src/vs/workbench/contrib/tasks/browser/abstractTaskService.ts/AbstractTaskService/canCustomize
class AbstractTaskService:	private canCustomize(task: Task): boolean {
		if (this.schemaVersion !== JsonSchemaVersion.V2_0_0) {
			return false;
		}
		if (CustomTask.is(task)) {
			return true;
		}
		if (ContributedTask.is(task)) {
			return !!task.getWorkspaceFolder();
		}
		return false;
	}