src/vs/workbench/contrib/tasks/electron-sandbox/taskService.ts/TaskService/computeLegacyConfiguration
class TaskService:	protected computeLegacyConfiguration(workspaceFolder: IWorkspaceFolder): Promise<WorkspaceFolderConfigurationResult> {
		let { config, hasParseErrors } = this.getConfiguration(workspaceFolder);
		if (hasParseErrors) {
			return Promise.resolve({ workspaceFolder: workspaceFolder, hasErrors: true, config: undefined });
		}
		if (config) {
			return Promise.resolve({ workspaceFolder, config, hasErrors: false });
		} else {
			return Promise.resolve({ workspaceFolder: workspaceFolder, hasErrors: true, config: undefined });
		}
	}