/**
 * Memory Optimization Service
 * SOLID Principles: Single Responsibility - Handle memory optimization, compression, and cleanup only
 */
import { IMemoryOptimizationService, IMemoryStorageService, InteractionMemory, RequestMemory, MemoryCompressionResult } from '../interfaces/index';
export declare class MemoryOptimizationService implements IMemoryOptimizationService {
    private storageService;
    private logger;
    constructor(storageService: IMemoryStorageService);
    compressAndSummarize(interactions: InteractionMemory[], outcome: RequestMemory['outcome']): Promise<MemoryCompressionResult>;
    extractKeyPatterns(interactions: InteractionMemory[]): string[];
    extractImportantOutcomes(interactions: InteractionMemory[], outcome: RequestMemory['outcome']): string[];
    extractCriticalLearnings(interactions: InteractionMemory[]): string[];
    calculateInteractionEffectiveness(interaction: InteractionMemory, finalOutcome: RequestMemory['outcome']): number;
    extractInteractionPatterns(interaction: InteractionMemory): string[];
    suggestInteractionImprovements(interaction: InteractionMemory): string[];
    optimizeMemoryUsage(): Promise<void>;
    cleanupExpiredSessions(): Promise<void>;
    compressOldInteractions(threshold: Date): Promise<void>;
}
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