import type { CloseDiagnosticEvent } from '../types/close-diagnostics.js';
import type { DiagnosticsSink } from './sdk-diagnostics.js';
/** 观测不能改变原关闭操作的完成、失败或等待语义。 */
export declare function observeCloseStage<T>(diagnostics: DiagnosticsSink | undefined, component: CloseDiagnosticEvent['component'], stage: CloseDiagnosticEvent['stage'], operation: () => T | PromiseLike<T>): Promise<T>;