import { CommonCfg } from "./CommonCfg";
import { InheritableCfg, MessageEnvelope, OutputConfig, OutputLevelMap } from "./types";
export declare abstract class Output extends CommonCfg implements InheritableCfg {
    outputLevelMap: OutputLevelMap;
    constructor(name: string, cfg?: OutputConfig, rootLogger?: InheritableCfg);
    getOutputLevel(loggerLevel: string): string;
    abstract writeLog(env: MessageEnvelope): void;
}
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