import * as grpc from '@grpc/grpc-js';
import { pino } from 'pino';
import type { SessionStore } from '../../store/session-store.interface.js';
import type { RefreshSessionRequest, RefreshSessionResponse, ValidateSessionRequest, ValidateSessionResponse } from '../types/session.types.js';
export declare class SessionAuth {
    private sessionStore;
    constructor(_logger: pino.Logger, sessionStore: SessionStore);
    refreshSession(call: grpc.ServerUnaryCall<RefreshSessionRequest, RefreshSessionResponse>, callback: grpc.sendUnaryData<RefreshSessionResponse>): Promise<void>;
    validateSession(call: grpc.ServerUnaryCall<ValidateSessionRequest, ValidateSessionResponse>, callback: grpc.sendUnaryData<ValidateSessionResponse>): Promise<void>;
    private isEmptyOrNull;
    private isValidString;
    private getSessionFromToken;
    private getSessionFromIdOrToken;
    private sendSessionNotFound;
    private isSessionExpired;
    private sendSessionExpired;
}
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