import { Environment } from '../environment';
import { Format } from '../format';
import { LoggerBase } from '../logger-base';
import { Level } from '../level';
import { Vault } from '../vault';
import { LogEnhancer } from '../log-enhancer';
export declare class EnvironmentLogger extends LoggerBase {
    private readonly environment;
    private level;
    constructor(vaults: Vault[], logEnhancers: LogEnhancer[], environment: Environment, level: Level);
    private applyEnvironment;
    setLevel(level: Level): void;
    private setEnvironment;
    protected getEnvironmentFormat(environment: Environment): Format;
}