import { Client } from '@microsoft/microsoft-graph-client';
interface AuthConfig {
    clientId: string;
    tenantId: string;
}
export declare class SimpleAuthService {
    private msalClient;
    constructor(config: AuthConfig);
    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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