import { AppConfig } from "../../model/AppConfig";
import { LogLevel } from "../../model/logging/LogLevel";
import { ILogger, LogFormat } from "./ILogger";
/**
 * Builds implementations of [[ILogger]].
 */
export declare class LogFactory {
    private readonly logLevel;
    private readonly logFormat;
    private readonly logTimestamp;
    /**
     * Build a new log factory using application config.
     *
     * @param appConfig Config object to read logging config from.
     * @param logLevel (Optional) Lowest level to log, defaults to `info`.
     * @param logFormat (Optional) Format to output log messages in, defaults to `string`.
     * @param logTimestamp (Optional) Print an ISO 8601 timestamp before every log message?
     *                     (string format only, defaults to `false`).
     */
    constructor(appConfig: AppConfig, logLevel?: LogLevel, logFormat?: LogFormat, logTimestamp?: boolean);
    /**
     * Create a new logger.
     *
     * @param clazz The enclosing class that will use the new logger.
     */
    getLogger(clazz: Function): ILogger;
    /**
     * Create a new logger using [[AppConfig]] config defaults.
     *
     * @param clazz The enclosing class that will use the new logger.
     */
    static getDefaultLogger(clazz: Function): ILogger;
    /**
     * Create a new logger using custom log configuration.
     *
     * @param clazz The enclosing class that will use the new logger.
     * @param level (Optional) Lowest level to log, defaults to `info`.
     * @param format (Optional) Format to output log messages in, defaults to `string`.
     * @param logTimestamp (Optional) Print an ISO 8601 timestamp before every log message?
     *                     (string format only, defaults to `false`).
     */
    static getCustomLogger(clazz: Function, level?: LogLevel, format?: LogFormat, logTimestamp?: boolean): ILogger;
}