/**
 * Load cached IMO numbers from file
 */
export declare function loadCachedImos(): string[];
/**
 * Save IMO numbers to cache file
 */
export declare function saveCachedImos(imos: string[], companyName: string): void;
/**
 * Check if company should skip IMO validation (e.g., for development/testing)
 */
export declare function shouldSkipImoValidation(companyName: string): boolean;
/**
 * Initialize IMO cache for the specified company
 */
export declare function initializeImoCache(companyName: string): Promise<void>;
/**
 * Get company IMOs with intelligent fallback strategy
 */
export declare function getCompanyImosWithFallback(): string[];
/**
 * Get cache status for monitoring/debugging
 */
export declare function getCacheStatus(): {
    inMemory: boolean;
    inMemoryCount: number;
    fileExists: boolean;
    lastUpdated?: string;
    companyName?: string;
};
/**
 * Clear all cached data (for testing/reset purposes)
 */
export declare function clearCache(): void;