import { Client } from '@microsoft/microsoft-graph-client';
import { IAuthService } from './authInterface.js';
interface AuthConfig {
    clientId: string;
    tenantId: string;
    tokenRefresh: {
        bufferMinutes: number;
        checkIntervalMinutes: number;
        autoRefreshEnabled: boolean;
    };
    keyVault: {
        vaultUri?: string;
        enabled: boolean;
    };
}
export declare class AuthService implements IAuthService {
    private msalClients;
    private config;
    private keyVaultUri?;
    constructor(config: AuthConfig);
    private getMsalClient;
    getTokenForUser(userEmail: string): Promise<string>;
    forceTokenRefresh(userEmail: string): Promise<string>;
    clearTokenCache(userEmail: string): Promise<void>;
    clearAllTokens(): Promise<void>;
    getGraphClient(accessToken: string): Client;
}
export {};
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