import { NestInterceptor, ExecutionContext, CallHandler } from '@nestjs/common';
import { Observable } from 'rxjs';
import { RequestWatcherService } from './request-watcher.service';
export interface RequestContext {
    id: string;
    startTime: number;
    method: string;
    url: string;
    headers: Record<string, string>;
    query: Record<string, any>;
    body: any;
    userAgent: string;
    ip: string;
    sessionId?: string;
    userId?: string;
    traceId?: string;
}
export interface ResponseContext {
    statusCode: number;
    headers: Record<string, string>;
    body: any;
    size: number;
    endTime: number;
    duration: number;
}
export declare class RequestWatcherInterceptor implements NestInterceptor {
    private readonly requestWatcher;
    private readonly logger;
    constructor(requestWatcher: RequestWatcherService);
    intercept(context: ExecutionContext, next: CallHandler): Observable<any>;
    private shouldTrackRequest;
    private createRequestContext;
    private createResponseContext;
    private trackRequest;
    private sanitizeHeaders;
    private sanitizeQuery;
    private sanitizeBody;
    private sanitizeResponseBody;
    private calculateResponseSize;
    private getClientIp;
    private extractSessionId;
    private extractUserId;
    private extractTraceId;
    private generateRequestId;
    private generateTraceId;
}