import { EventEmitter } from 'events';
import { RequestProfile, QueryProfile, LogProfile, HttpCallProfile, EventProfile, EventListenerTrace } from '../common/profiler.model';
import type { ProfilerOptions } from '../common/profiler-options.interface';
import type { ProfilerStorage } from '../storage/profiler-storage.interface';
export declare class ProfilerService {
    private options;
    private storage;
    private readonly als;
    private readonly logger;
    readonly logEmitter: EventEmitter<[never]>;
    private readonly eventMap;
    private readonly eventOrder;
    constructor(options: ProfilerOptions, storage: ProfilerStorage);
    isEnabled(): boolean;
    startRequest(): RequestProfile | null;
    endRequest(profile: RequestProfile): void;
    private analyzeRequest;
    private addTag;
    addQuery(query: QueryProfile): void;
    addLog(log: LogProfile): void;
    addCache(cacheProfile: import('../common/profiler.model').CacheProfile): void;
    addHttpCall(call: HttpCallProfile): void;
    getCurrentProfile(): RequestProfile | undefined;
    getDashboardData(): Promise<RequestProfile[]>;
    getProfileDetail(id: string): Promise<RequestProfile | null>;
    getQueriesList(): Promise<any[]>;
    getLogsList(page?: number, pageSize?: number): Promise<{
        logs: any[];
        currentPage: number;
        totalPages: number;
        totalLogs: number;
    }>;
    getAllProfilesJson(): Promise<RequestProfile[]>;
    getProfileJson(id: string): Promise<RequestProfile | null>;
    getSummaryStats(): Promise<{
        totalRequests: number;
        avgDuration: number;
        p95Duration: number;
        errorRate: number;
        totalQueries: number;
        slowQueries: number;
        nPlusOneCount: number;
        seqScanCount: number;
        cacheHitRate: number;
        totalCacheOps: number;
        methodDistribution: Record<string, number>;
        statusDistribution: Record<string, number>;
        topSlowEndpoints: {
            route: string;
            method: string;
            avgDuration: number;
            callCount: number;
        }[];
        topSlowQueries: {
            sql: string;
            duration: number;
            requestUrl: string;
        }[];
        recentErrors: {
            id: string;
            url: string;
            method: string;
            statusCode: number;
            message: string;
            timestamp: number;
        }[];
        memoryUsage: {
            rss: number;
            heapUsed: number;
            heapTotal: number;
        } | null;
    }>;
    getHttpCallsList(): Promise<any[]>;
    getCacheList(): Promise<any[]>;
    addEvent(event: EventProfile): void;
    finalizeEvent(id: string, status: 'success' | 'error', error?: string): void;
    addListenerTrace(eventId: string | undefined, trace: EventListenerTrace): void;
    linkChildEvent(parentId: string, childId: string): void;
    getCurrentRequestId(): string | undefined;
    getEventsList(): EventProfile[];
    getRootEvents(): EventProfile[];
    getExceptionsList(): Promise<any[]>;
}