import { IContextOptimizer, ConversationMessage, ContextMetrics } from '../types';
/**
 * Optimizer that filters out irrelevant messages
 */
export declare class RelevanceOptimizer implements IContextOptimizer {
    private relevanceEvaluator;
    private relevanceMetric;
    constructor();
    shouldOptimize(metrics: ContextMetrics): boolean;
    optimize(messages: ConversationMessage[]): Promise<ConversationMessage[]>;
}