/**
 * QE Task Router
 * ADR-022: Adaptive QE Agent Routing
 *
 * ML-based task routing that combines:
 * - Vector similarity (semantic matching via transformer embeddings)
 * - Historical performance (agent success rates from feedback)
 * - Capability matching (task requirements vs agent capabilities)
 */
import type { QETask, QERoutingDecision, QERouterConfig } from './types.js';
/**
 * QE Task Router that uses ML-based routing to select optimal agents
 */
export declare class QETaskRouter {
    private config;
    private agentEmbeddings;
    private initialized;
    private embeddingCache;
    constructor(config?: Partial<QERouterConfig>);
    /**
     * Initialize router by computing agent embeddings
     */
    initialize(): Promise<void>;
    /**
     * Build text representation of agent for embedding
     */
    private buildAgentEmbeddingText;
    /**
     * Route a task to the optimal agent
     */
    route(task: QETask): Promise<QERoutingDecision>;
    /**
     * Detect QE domain from task description
     */
    private detectDomain;
    /**
     * Detect required capabilities from task description
     */
    private detectCapabilities;
    /**
     * Filter candidate agents based on hard requirements
     */
    private filterCandidates;
    /**
     * Check if complexity matches agent's range
     */
    private complexityMatches;
    /**
     * Get task embedding (with caching)
     */
    private getTaskEmbedding;
    /**
     * Score an agent for a task
     */
    private scoreAgent;
    /**
     * Build human-readable reasoning for routing decision
     */
    private buildReasoning;
    /**
     * Update agent performance based on feedback
     */
    updateAgentPerformance(agentId: string, success: boolean, qualityScore: number, durationMs: number): void;
    /**
     * Get router statistics
     */
    getStats(): {
        initialized: boolean;
        agentCount: number;
        embeddingsCached: number;
        config: QERouterConfig;
    };
    /**
     * Clear embedding cache
     */
    clearCache(): void;
}
/**
 * Create a new QE task router instance
 */
export declare function createQETaskRouter(config?: Partial<QERouterConfig>): QETaskRouter;
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