import { Counter } from '@tdi-mc/core';
export declare const TRACK_STATUS_CACHE_METRIC = "track_status_cache_metric";
export declare enum CacheMethod {
    SET = "SET",
    GET = "GET",
    DEL = "DEL"
}
export declare enum GetStatus {
    SUCCESS_HIT = "SUCCESS_HIT",
    SUCCESS_MISS = "SUCCESS_MISS",
    ERROR_GET_VALUE = "ERROR"
}
export declare enum SetStatus {
    SUCCESS = "SUCCESS",
    ERROR_SET_VALUE = "ERROR"
}
export declare enum DelStatus {
    SUCCESS_HIT = "SUCCESS",
    SUCCESS_MISS = "SUCCESS_MISS",
    ERROR_DEL_VALUE = "ERROR"
}
export declare class CacheMetricService {
    private trackMetric;
    constructor(trackMetric: Counter<string>);
    track(type: CacheMethod, status: GetStatus | SetStatus | DelStatus, namespace: string, conId?: string): void;
}
export declare const GetCacheMetric: () => MethodDecorator;
export declare const SetCacheMetric: () => MethodDecorator;
export declare const DelCacheMetric: () => MethodDecorator;
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