import { Attributes } from '@opentelemetry/api';
import Transport from 'winston-transport';
import type { LoggerOptions } from './';
export declare const parseWinstonLog: (log: {
    message: string | Attributes;
    level: string;
} & Attributes) => {
    level: string;
    message: string;
    meta: {
        [attributeKey: string]: import("@opentelemetry/api").AttributeValue | undefined;
    };
};
export type HyperDXWinstonOptions = LoggerOptions & {
    apiKey?: string;
    maxLevel?: string;
    getCustomMeta?: () => Attributes;
};
export default class HyperDXWinston extends Transport {
    private readonly logger;
    private readonly getCustomMeta;
    constructor({ maxLevel, getCustomMeta, apiKey, ...options }: HyperDXWinstonOptions);
    log(info: {
        message: string | Attributes;
        level: string;
    } & Attributes, callback: () => void): void;
    close(): void;
}
//# sourceMappingURL=winston.d.ts.map