import { IContractRepository } from '../../domain/repositories/IContractRepository';
import { ContractEntity } from '../../domain/entities/ContractEntity';
import { ICache } from '../../domain/services/caching/interfaces/ICache';
/**
 * Cached Contract Repository
 * Decorator pattern to add caching to any IContractRepository implementation.
 * Follows SOLID (Open/Closed) and Clean Architecture (Infrastructure layer).
 *
 * Uses ICache interface to allow swapping cache implementations (LRU, Redis, etc.)
 * without changing the repository logic.
 */
export declare class CachedContractRepository implements IContractRepository {
    private readonly repository;
    private readonly cache;
    private readonly ttl;
    constructor(repository: IContractRepository, cache: ICache<ContractEntity>, ttl?: number);
    save(contract: ContractEntity): Promise<void>;
    findById(id: string): Promise<ContractEntity | null>;
    findByName(name: string): Promise<ContractEntity | null>;
    findAll(): Promise<ContractEntity[]>;
    findByCategory(category: string): Promise<ContractEntity[]>;
    findActive(): Promise<ContractEntity[]>;
    delete(id: string): Promise<void>;
    exists(name: string): Promise<boolean>;
    private invalidateContract;
}
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