import { Binding, Context, Provider } from '@loopback/core';
import { RequestContext } from '@loopback/rest';
import { Logger } from '../util';
/**
 * A default stateless logger
 *
 * @remarks
 *
 * The logger implementation is stateless. We use SINGLETON scope so that only
 * one instance will be created to minimize the overhead.
 */
export declare class LoggerService implements Provider<Logger> {
    private binding;
    constructor(resolutionCtx: Context, binding: Binding<unknown>);
    value(): (message?: any, ...optionalParams: any[]) => void;
}
/**
 * A logger bound to a given request context
 *
 * @remarks
 * The binding scope is set to be `TRANSIENT` or `CONTEXT` so that a new
 * instance will be created for each request and the corresponding request
 * context can be injected into the request logger.
 */
export declare class RequestLoggerService implements Provider<Logger> {
    private binding;
    private requestCtx;
    constructor(resolutionCtx: Context, binding: Binding<unknown>, requestCtx: RequestContext);
    value(): (message?: any, ...optionalParams: any[]) => void;
}