import { Logger } from "./logger";
import { IRequestContext } from "../pipeline/common";
export declare type EntryKind = "RR" | "Log" | "RR" | "ER" | "RT" | "ET" | "BC" | "EC" | "RE" | "EE";
export declare class VulcainLogger implements Logger {
    private static _enableInfo;
    private _hostname;
    private static readonly enableInfo;
    constructor();
    /**
     * Log an error
     *
     * @param {any} context Current context
     * @param {Error} error Error instance
     * @param {string} [msg] Additional message
     *
     * @memberOf VulcainLogger
     */
    error(context: IRequestContext | null, error: Error, msg?: () => string): void;
    /**
     * Log a message
     *
     * @param {any} context Current context
     * @param {string} msg Message format (can include %s, %j ...)
     * @param {...Array<string>} params Message parameters
     *
     * @memberOf VulcainLogger
     */
    info(context: IRequestContext | null, msg: () => string): void;
    /**
     * Log a verbose message. Verbose message are enable by service configuration property : enableVerboseLog
     *
     * @param {any} context Current context
     * @param {string} msg Message format (can include %s, %j ...)
     * @param {...Array<string>} params Message parameters
     *
     * @memberOf VulcainLogger
     */
    verbose(context: IRequestContext | null, msg: () => string): boolean;
    logAction(context: IRequestContext, kind: EntryKind, message?: string): void;
    private prepareEntry(context);
    private writeEntry(entry);
}