/**
 * PZG Pro License Validation
 *
 * Simple offline-capable license validation with local caching
 * Only checks license when Pro features are actually used
 */
type PlanSlug = 'starter' | 'professional' | 'business' | 'enterprise';
export declare function describePlan(plan: PlanSlug): string;
export interface LicenseInfo {
    key: string;
    plan: PlanSlug;
    validUntil: string;
    maxSeats: number;
    cached: boolean;
    status?: 'active' | 'suspended' | 'expired';
    valid_until?: Date;
    customerId?: string;
}
/**
 * Main license validation function
 * Returns license info if valid, null if invalid, throws if required but missing
 */
export declare function validateLicense(required?: boolean): Promise<LicenseInfo | null>;
/**
 * Check if a specific plan feature is available
 */
export declare function hasFeature(license: LicenseInfo | null, feature: string): boolean;
/**
 * Require a specific feature, throw if not available
 */
export declare function requireFeature(feature: string, context?: {
    userId?: string;
    sessionId?: string;
}): Promise<LicenseInfo>;
/**
 * Get license status for CLI commands
 */
export declare function getLicenseStatus(): Promise<{
    valid: boolean;
    plan?: PlanSlug;
    cached?: boolean;
}>;
export {};