import { ConversationThread } from '../conversation/conversation-history.interface';
export declare class IntelligentCompressionService {
    private readonly logger;
    compressConversationHistory(thread: ConversationThread, options?: {
        maxTokens?: number;
        maxMessages?: number;
        preserveRecentCount?: number;
        preserveImportant?: boolean;
    }): Promise<string>;
    private identifyImportantMessages;
    private isImportantMessage;
    private applyCompressionStrategy;
    private summarizeImportantMessages;
    private summarizeMessage;
    private generateContextSummary;
    private extractTopics;
    private identifyPatterns;
    private estimateTokens;
    private applyFinalCompression;
}