import { type Attributes } from '@opentelemetry/api';
import build from 'pino-abstract-transport';
import type { LoggerOptions } from './';
export type PinoLogLine = {
    level: number;
    time: number;
    pid: number;
    hostname: string;
    msg: string;
} & Attributes;
export declare const parsePinoLog: (log: PinoLogLine) => {
    level: number;
    message: string;
    meta: {
        [attributeKey: string]: import("@opentelemetry/api").AttributeValue;
        time: number;
        pid: number;
        hostname: string;
    };
};
export type MXLPinoOptions = LoggerOptions & {
    apiKey?: string;
    getCustomMeta?: () => Attributes;
};
declare const DEFAULT_LOG_KEYS: {
    traceId: string;
    spanId: string;
    traceFlags: string;
};
export declare const getMixinFunction: () => {
    [DEFAULT_LOG_KEYS.traceId]: string;
    [DEFAULT_LOG_KEYS.spanId]: string;
    [DEFAULT_LOG_KEYS.traceFlags]: string;
};
declare const _default: ({ apiKey, getCustomMeta, ...options }: MXLPinoOptions) => Promise<import("stream").Transform & build.OnUnknown>;
export default _default;