import { Service } from "..";
import { EventableService } from "../service";
/**
 * @internal
 */
export declare const LOGGING_SVC = "LoggingService";
export type LogLevel = 'error' | 'warn' | 'info' | 'debug' | 'trace';
interface LoggingData {
    metadata?: Record<string, unknown>;
}
export interface LoggingEntry extends LoggingData {
    type: LogLevel;
    message: string;
}
export interface LoggingEvent {
    LOG: LoggingEntry;
}
export type LoggingService = EventableService<LoggingEvent>;
/**
 * @internal
 */
export declare class LoggingServiceRB extends Service implements LoggingService {
    private readonly $subject;
    static getInstance(): LoggingServiceRB;
    /**
     * @internal
     */
    static build(): LoggingServiceRB;
    private constructor();
    events<const EventNames extends keyof LoggingEvent>(...eventNames: EventNames[]): import("rxjs").Observable<import("../service").ServiceEventsToUnion<Pick<{
        LOG: any;
    }, EventNames>>>;
    /**
     * @internal
     */
    error(msg: string, data?: LoggingData): void;
    /**
     * @internal
     */
    warn(msg: string, data?: LoggingData): void;
    /**
     * @internal
     */
    info(msg: string, data?: LoggingData): void;
    /**
     * @internal
     */
    debug(msg: string, data?: LoggingData): void;
    /**
     * @internal
     */
    trace(msg: string, data?: LoggingData): void;
    /**
     * @param name - the name of the event
     * @param data - the data to be send (an object)
     * FavoritesService events send to other services via sendEvent()
     * Can listen to it via FavoritesServiceRB.subscribe() API
     */
    private sendEvent;
}
export declare function createBasicLogger(): import("rxjs").Subscription;
export {};
//# sourceMappingURL=logging.service.d.ts.map