import Redis from "ioredis";
import { ApiDefs } from "./interfaces/api-defs.interface";
import { APIOperationStats } from "./interfaces/api-operation-stats.interface";
import { ApiStats } from "./interfaces/api-stats.interface";
import { HTTPMethod } from "./interfaces/http-method.interface";
import { SwsRequest } from "./interfaces/request.interface";
import { SwsResponse } from "./interfaces/response.interface";
export declare class SwsAPIStats {
    private readonly redis;
    private debug;
    private options;
    private basePath;
    private apiMatchIndex;
    private apidefs;
    private apistats;
    private apidetails;
    private durationBuckets;
    private requestSizeBuckets;
    private responseSizeBuckets;
    private promClientMetrics;
    constructor(redis: Redis);
    getAPIDefs(): ApiDefs;
    getAPIStats(): Promise<ApiStats>;
    getAPIOperationStats(path: string, method: HTTPMethod): Promise<APIOperationStats>;
    private initBasePath;
    private getFullPath;
    initialize(swsOptions: any): Promise<void>;
    private processParameters;
    private processSingleParameter;
    private getApiOpDetails;
    private getAPIOpStats;
    tick(totalElapsedSec: number): Promise<void>;
    private extractPathParams;
    matchRequest(req: SwsRequest): void;
    private countParametersStats;
    getApiOpParameterValues(path: string, method: HTTPMethod, req: SwsRequest): {
        [key: string]: string;
    } | null;
    countRequest(req: SwsRequest): Promise<void>;
    countResponse(res: SwsResponse): Promise<void>;
}