/** Constants and helpers for authentication configuration */
/** Default timeout for authentication prompt in milliseconds */
export declare const DEFAULT_AUTH_PROMPT_TIMEOUT_MS = 10000;
/** Default timeout for authentication completion in milliseconds */
export declare const DEFAULT_AUTH_COMPLETION_TIMEOUT_MS = 60000;
/** Token expiration thresholds */
export declare const TOKEN_EXPIRY: {
    /**
     * Short validity check (in seconds) Used to determine if a token is still valid for
     * immediate use
     */
    SHORT_VALIDITY_CHECK_SEC: number;
    /**
     * Proactive refresh threshold (in seconds) If token will expire within this time,
     * proactively refresh it
     */
    PROACTIVE_REFRESH_THRESHOLD_SEC: number;
};
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