import type { TokenCredential } from "@azure/core-auth";
import * as types from "../applicationinsights";
import { StatusLogger } from "./StatusLogger";
import { DiagnosticLogger } from "./DiagnosticLogger";
import Config = require("../Library/Config");
export declare const defaultConfig: Config;
/**
 * Sets the attach-time logger
 * @param logger logger which implements the `AgentLogger` interface
 */
export declare function setLogger(logger: DiagnosticLogger): DiagnosticLogger;
export declare function setStatusLogger(statusLogger: StatusLogger): void;
/**
 * Try to setup and start this app insights instance if attach is enabled.
 * @param aadTokenCredential Optional AAD credential
 */
export declare function setupAndStart(aadTokenCredential?: TokenCredential, isAzureFunction?: boolean): typeof types | null;