import { Logform } from 'winston';
import Transport from 'winston-transport';
import { MaybeUndefined } from '../../interfaces/index.js';
/**
 * Defining types
 */
export type LogData = Record<string | number | symbol, unknown>;
export type redactFn = <T>(input: T) => string | T;
export type AttachableTransports = 'console:pretty' | 'console:json' | 'file:json' | 'cloudwatch:json';
export type ContextProvider = () => MaybeUndefined<LogData>;
export interface Logger {
    verbose(message: string, ...meta: any[]): void;
    debug(message: string, ...meta: any[]): void;
    info(message: string, ...meta: any[]): void;
    http(message: string, ...meta: any[]): void;
    warn(message: string, ...meta: any[]): void;
    error(message: string, ...meta: any[]): void;
}
declare class LoggerStatic {
    private readonly logger;
    private getLogMetadata;
    private readonly contextProviders;
    constructor();
    private getLogContext;
    isDebugEnabled(): boolean;
    setDefaultMetadata(metadata: object): this;
    setLogMetadataProvider(getLogMetadata: () => object): this;
    addContextProvider(namespace: string, provider: ContextProvider): this;
    /** Creates a redactor to remove sensitive fields. This mutates the original value. If no censor is given, the field is removed */
    getRedactor(paths: string[], censor?: string | ((value: any) => any)): redactFn;
    /** Adds a transport to the logger */
    addTransport(transport: Transport): this;
    attachTransport(type: AttachableTransports, format?: Logform.Format): this;
    /** Returns a child logger with the provided metadata */
    getLogger(namespace: string, label: string): Logger;
    getLogger(metadata: object): Logger;
    addDefaultTransports(format?: Logform.Format): this;
    close(): void;
}
export declare const Logger: LoggerStatic;
export {};