import * as pino from "pino";
export declare module Logging {
    /**
     *  Basic common obvious log levels
     *
     *  Note: don't count on the numeric value of these enums, as it can change without notice. Only used for ordering
     */
    enum LogLevel {
        TRACE = 1,
        INFO = 2,
        WARNING = 3,
        ERROR = 4
    }
    /**
     *  Interface used internally in Eulith-web3js code to generate logging calls. Can then be directed to
     *  whatever logging tool (e.g. pino) you'd like.
     */
    interface ILogger {
        log(level: LogLevel, msg: string): any;
    }
    /**
     *  ConsoleLogger can be used (with no dependencies except the 'console' object) - to generate logging
     *  for Eulith-web3js applications.
     *
     *  This defaults to only showing messages LogLevel INFO or higher.
     */
    class ConsoleLogger implements ILogger {
        private readonly minLogLevel_;
        constructor(minLogLevel2Echo?: LogLevel);
        log(level: LogLevel, msg: string): void;
    }
    /**
     *  PinoLogger is the production-ready logger for eulith-web3js.
     *  See Pino (third party library) for more details about this logger
     */
    class PinoLogger implements Logging.ILogger {
        private pinoInstance_;
        constructor(logger?: pino.Logger);
        log(level: Logging.LogLevel, msg: string): void;
    }
}