import { BacktraceSessionProvider } from '@backtrace/sdk-core';
export declare class BacktraceBrowserSessionProvider implements BacktraceSessionProvider {
    /**
     * Session persistence interval. If no event was send in the persistence interval
     * the session is treaten as an old session.
     */
    static readonly PERSISTENCE_INTERVAL: number;
    private readonly SESSION_LAST_ACTIVE;
    private readonly SESSION_GUID;
    get lastActive(): number;
    readonly newSession: boolean;
    readonly sessionId: string;
    private _lastActive;
    constructor();
    afterMetricsSubmission(): void;
    shouldSend(): boolean;
    private readLastActiveTimestamp;
    updateLastActiveTimestamp(): void;
}