src/vs/workbench/contrib/tasks/electron-sandbox/taskService.ts/TaskService/_computeLegacyConfiguration
class TaskService:	protected _computeLegacyConfiguration(workspaceFolder: IWorkspaceFolder): Promise<IWorkspaceFolderConfigurationResult> {
		const { 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 });
		}
	}