import { LoggerOptions } from 'pino';
import { LOG_LEVEL, DeepstreamPlugin, DeepstreamLogger, DeepstreamConfig, DeepstreamServices, NamespacedLogger, EVENT } from '@deepstream/types';
export declare class PinoLogger extends DeepstreamPlugin implements DeepstreamLogger {
    private services;
    description: string;
    private logger;
    constructor(pluginOptions: LoggerOptions, services: DeepstreamServices, config: DeepstreamConfig);
    /**
     * Return true if logging is enabled. This is used in deepstream to stop generating useless complex strings
     * that we know will never be logged.
     */
    shouldLog(logLevel: LOG_LEVEL): boolean;
    /**
     * Set the log level desired by deepstream. Since deepstream uses LOG_LEVEL this needs to be mapped
     * to whatever your libary uses (this is usually just conversion stored in a static map)
     */
    setLogLevel(logLevel: LOG_LEVEL): void;
    /**
     * Log as info
     */
    info(event: EVENT, message?: string, metaData?: any): void;
    /**
     * Log as debug
     */
    debug(event: EVENT, message?: string, metaData?: any): void;
    /**
     * Log as warn
     */
    warn(event: EVENT, message?: string, metaData?: any): void;
    /**
     * Log as error
     */
    error(event: EVENT, message?: string, metaData?: any): void;
    /**
     * Log as fatal
     */
    fatal(event: EVENT, message?: string, metaData?: any): void;
    /**
     * Create a namespaced logger, used by plugins. This could either be a new instance of a logger
     * or just a thin wrapper to add the namespace at the beginning of the log method.
     */
    getNameSpace(namespace: string): NamespacedLogger;
    private log;
}