import { EventEmitter } from 'events';
import { Logger } from 'pino';
import { ErrorTrackingStorage, ErrorTrackingEntry, ErrorPatternConfig } from './types.js';
export declare class PatternChecker {
    private storage;
    private patternConfig;
    private logger;
    private eventEmitter;
    constructor(storage: ErrorTrackingStorage, patternConfig: ErrorPatternConfig, logger: Logger, eventEmitter: EventEmitter);
    checkPatterns(entry: ErrorTrackingEntry): Promise<void>;
    private checkCategoryThresholds;
    private checkCorrelationRules;
    private updateCorrelatedErrors;
}
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