import Signal, { Req } from "badmfck-signal";
import { BaseService } from "./BaseService";
export declare enum LOG_LEVEL {
    ALL = 10,
    API = 19,
    INFO = 20,
    DB = 25,
    WARN = 30,
    ERROR = 40,
    CRIT = 50
}
export interface ILogItem {
    id: number;
    level: LOG_LEVEL;
    time: number;
    text: string;
    date: string;
    source: string;
    repeat: number;
}
export interface ILogServiceOptions {
    output?: (data: ILogItem) => void;
    stackSize: number;
    level: LOG_LEVEL;
    textLimit: number;
    watchFor?: string[];
}
export declare const getDefaultLogOptions: () => ILogServiceOptions;
export declare const logInfo: (message: any, ...optional: any[]) => void;
export declare const logWarn: (message: any, ...optional: any[]) => void;
export declare const logCrit: (message: any, ...optional: any[]) => void;
export declare const logError: (message: any, ...optional: any[]) => void;
export declare const logDB: (message: any, ...optional: any[]) => void;
export declare const logAPI: (message: any, ...optional: any[]) => void;
export declare const S_LOG: Signal<{
    level: LOG_LEVEL;
    data: any[];
}>;
export declare const S_LOG_CREATED: Signal<ILogItem>;
export declare const S_LOG_CHANGE_LEVEL: Signal<LOG_LEVEL>;
export declare const REQ_CURRENT_LOG_LEVEL: Req<void, LOG_LEVEL>;
export declare const S_LOG_FLUSH: Signal<void>;
export declare const S_LOG_ADD_SERVICE_TO_WATCH: Signal<string>;
export declare const S_LOG_REMOVE_SERVICE_FROM_WATCH: Signal<string>;
export declare const S_LOG_SET_TEXT_LIMIT: Signal<number>;
export declare const REQ_LOG: Req<{
    lastID: number;
} | null | undefined, ILogItem[]>;
export declare const REQ_LOG_UNIQUE_SERVICES: Req<void, {
    name: string;
    count: number;
}[]>;
export declare class LogService extends BaseService {
    static nextID: number;
    log: ILogItem[];
    options: ILogServiceOptions;
    level: LOG_LEVEL;
    uniqueServices: Map<string, number>;
    constructor(opt?: ILogServiceOptions);
    init(): Promise<void>;
    checkTextLimit(): void;
    createDate(d?: Date): string;
    leadZero(num: number): string;
    createText(data: any, level: LOG_LEVEL): string;
    private static readonly SANITIZERS;
    private static readonly SENSITIVE_KEY_RE;
    static sanitize(text: string): string;
    private static readonly PAN_CANDIDATE_REGEX;
    private static isLuhnValid;
    static sanitizeDeep(value: any, depth?: number): any;
    private static readonly CARD_IIN_RE;
    private static readonly AGGRESSIVE_PAN_MASKING;
    private static looksLikePAN;
    static maskPAN(text: string): string;
}