export interface ExpiringCredential {
    id: string;
    issuer: string;
    subject: string;
    expiresAt: string;
    daysUntilExpiry: number;
    expired: boolean;
}
export declare class ExpirationManager {
    private basePath;
    constructor(basePath: string);
    /**
     * Get all credentials from storage
     */
    private getAllCredentials;
    /**
     * Calculate days until expiration
     */
    private daysUntilExpiry;
    /**
     * Check for expiring credentials
     */
    checkExpiring(daysThreshold?: number): Promise<ExpiringCredential[]>;
    /**
     * Check if a specific credential is expired or expiring soon
     */
    checkCredentialExpiry(jwt: string): Promise<{
        expired: boolean;
        expiresAt?: string;
        daysUntilExpiry?: number;
    }>;
    /**
     * Get expiration summary
     */
    getSummary(): Promise<{
        total: number;
        expired: number;
        expiringSoon: number;
        healthy: number;
    }>;
    /**
     * Generate expiration warnings
     */
    generateWarnings(daysThreshold?: number): Promise<string[]>;
}
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