import { Observable } from "rxjs";
export declare enum DependencyType {
    Http = "HTTP",
    Amqp = "AMQP",
    Redis = "REDIS",
    AzureTable = "Azure table",
    Tcp = "TCP",
    MongoDB = "MongoDB",
    SQL = "SQL"
}
export declare class LoggerService {
    private _logger;
    private _enableAppInsights;
    constructor();
    init(source: string): void;
    log(message: any, meta?: any): void;
    error(message: any, meta?: any): void;
    warn(message: any, meta?: any): void;
    debug(message: any, meta?: any): void;
    verbose(message: any, meta?: any): void;
    trackException(error: Error, ctx?: any): void;
    private _trackRequest;
    trackDataDependency(success: boolean, type: DependencyType, host: string, query: string, startTime: number): void;
    generateDependencyID(): string;
    trackDependency(id: string, success: boolean, type: DependencyType, method: string, host: string, resource: string, startTime: number, ctx?: any): void;
    getTraceParent(referenceID?: string): {
        spanId: any;
        traceId: any;
    } | undefined;
    getParentID(): any;
    getCurrentCtx(): any;
    getNewContext(method: string, resource: string, traceParent?: any): any;
    executeAsOperation(method: string, resource: string, startTime: number, observable: Observable<any>, traceParent?: any): Promise<Observable<any>>;
}