/**
 * Authentication token cache
 * Persists tokens to disk for reuse across runs
 */
import { AuthTokenCache } from '../types.js';
export interface AuthCacheOptions {
    enabled: boolean;
    cachePath?: string;
    reauthSkewSeconds: number;
}
/**
 * Get default auth cache path based on XDG spec
 */
export declare function getDefaultAuthCachePath(): string;
/**
 * Get cached token if valid
 */
export declare function getCachedToken(baseUrl: string, username: string, options: AuthCacheOptions): Promise<AuthTokenCache | null>;
/**
 * Store token in cache
 */
export declare function setCachedToken(baseUrl: string, username: string, token: AuthTokenCache, options: AuthCacheOptions): Promise<void>;
/**
 * Clear cached token
 */
export declare function clearCachedToken(baseUrl: string, username: string, options: AuthCacheOptions): Promise<void>;
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