import { TokenStore } from './TokenStore';
import { FortnoxConfig, TokenResponse, AuthorizationUrlResult, AuthParams } from '../types/auth.types';
export declare class AuthManager {
    private readonly config;
    private readonly tokenStore;
    private readonly pendingStates;
    private readonly stateExpiryMs;
    constructor(config: FortnoxConfig);
    getAuthorizationUrl(params?: AuthParams): AuthorizationUrlResult;
    validateState(state: string): boolean;
    exchangeCodeForToken(code: string, state: string): Promise<TokenResponse>;
    refreshAccessToken(): Promise<TokenResponse>;
    getValidAccessToken(): Promise<string>;
    private performTokenRefresh;
    private cleanupExpiredStates;
    getTokenStore(): TokenStore;
}
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