import { LoggerOptions } from './LoggerOptions';
import { LoggerGenericService } from './LoggerGenericService';
import { LoggerLevel } from './LoggerLevel';
/**
 * Manage a logger.
 * His log level can be passed with a {@link LoggerOptions} or a {@link LoggerSharedOptions}.
 * If not, {@link LoggerDefaultOptions} will be used.
 */
export declare class Logger {
    private service;
    private caller;
    private options;
    constructor(service: LoggerGenericService, instance: any, options?: LoggerOptions);
    readonly trace: Function;
    readonly log: Function;
    readonly debug: Function;
    readonly warn: Function;
    readonly info: Function;
    readonly error: Function;
    prettify(o: any, space?: number): any;
    level(level?: LoggerLevel): any;
    subLogger(name?: string, withId?: boolean): {
        readonly trace: any;
        readonly log: any;
        readonly debug: any;
        readonly warn: any;
        readonly info: any;
        readonly error: any;
        subLogger(newName?: string | undefined): any;
        prettify: (o: any, space?: number) => any;
    };
    private checkLevel;
    getFullCallerName(): string;
    private subLoggerRecursive;
}