import { ILogRawEntry } from '../interfaces/dto/log-entry-dto.interface';
import { ILoggerNewSessionDTO } from '../interfaces/dto/logger-new-session-dto.interface';
import { IMetricListDTO } from '../interfaces/dto/metric-list-dto.interface';
import { INewSessionArgsDTO } from '../interfaces/dto/new-session-args-dto.interface';
import { ILogEntry } from '../interfaces/log-entry.interface';
import { FgBaseAPI } from './base-api';
export declare class FgLoggerAPI extends FgBaseAPI {
    protected _afterLoad(): void;
    createSession(optionalData?: INewSessionArgsDTO): Promise<ILoggerNewSessionDTO>;
    addRawEntry(sessionId: number, token: string, rawEntry: ILogEntry | ILogRawEntry): Promise<void>;
    addEntry(sessionId: number, token: string, type: any, message: string, category?: string, date?: Date, tags?: string[]): Promise<void>;
    closeSession(sessionId: number, token: string): Promise<void>;
    getMetrics(): Promise<IMetricListDTO>;
    addValueToMetric(identifier: string, value: number, valueTag?: string, valueIdentifier?: string): Promise<void>;
    setMetricValue(identifier: string, value: number, valueTag?: string, valueIdentifier?: string): Promise<void>;
    private _getSessionExtraHeaders;
}