import type { Daytona } from '@daytona/sdk';
import type { Logger } from './logger';
export interface DaytonaAuthManagerOptions {
    apiUrl?: string;
    target?: string;
    staticApiKey?: string;
    getAuthToken?: () => Promise<string>;
    refreshSkewMs?: number;
    logger?: Logger;
    sandboxName?: string;
    now?: () => number;
}
export declare class DaytonaAuthManager {
    private readonly options;
    private readonly now;
    private readonly refreshSkewMs;
    private client?;
    private expiresAt;
    private pendingRefresh?;
    private generation;
    constructor(options: DaytonaAuthManagerOptions);
    getClient(): Promise<Daytona>;
    getGeneration(): number;
    private refresh;
    private doRefresh;
}