import { Event, EventHint, Integration } from '@sentry/core';
/**
 * Deduplication filter.
 *
 * @deprecated 仅保留给依赖 `fuzzyMatch` 的 1.x 历史用法，将在 2.0 移除。
 * 新代码请使用 `dedupeIntegration()`，它直接复用 `@sentry/core` 官方实现。
 */
export declare class Dedupe implements Integration {
    /**
     * @inheritDoc
     */
    static id: string;
    /**
     * @inheritDoc
     */
    name: string;
    /**
     * @inheritDoc
     */
    private _previousEvent?;
    private readonly _fuzzyMatch;
    constructor(options?: {
        fuzzyMatch?: boolean;
    });
    /**
     * @inheritDoc
     */
    setupOnce(): void;
    /**
     * @inheritDoc
     */
    processEvent(currentEvent: Event, _hint?: EventHint): Event | null;
    /** JSDoc */
    private _shouldDropEvent;
    /** JSDoc */
    private _isSameMessageEvent;
    /** JSDoc */
    private _isSameExceptionEvent;
    /** JSDoc */
    private _isSameStacktrace;
    /** JSDoc */
    private _isSameFingerprint;
    /** JSDoc */
    private _getExceptionFromEvent;
    /** 浅拷贝事件的关键去重字段 */
    private _cloneEventForComparison;
    /** JSDoc */
    private _getFramesFromEvent;
}
/**
 * Dedupe integration
 */
export declare const dedupeIntegration: () => Integration;
//# sourceMappingURL=dedupe.d.ts.map