/**
 * Model Router
 *
 * Routes tasks to appropriate models based on:
 * - Task complexity and type
 * - Routing rules configuration
 * - Cost optimization strategy
 * - Available model capabilities
 */
import { ModelConfig, MultiModelConfig, TaskClassificationResult, TaskComplexity, ModelSelection, RoutingRule, ModelRole } from './types.js';
/**
 * Model Router - routes tasks to appropriate models
 */
export declare class ModelRouter {
    private config;
    private models;
    private routingRules;
    private roleAssignments;
    constructor(config: MultiModelConfig);
    private initializeModels;
    private initializeRoles;
    /**
     * Classify a task to determine complexity and type
     */
    classifyTask(taskDescription: string): TaskClassificationResult;
    /**
     * Select the appropriate model for a task
     */
    selectModel(complexity: TaskComplexity, taskType: string, keywords: string[]): ModelSelection;
    private buildReasoning;
    /**
     * Estimate cost for a model invocation
     */
    estimateCost(model: ModelConfig, inputTokens: number, outputTokens: number): number;
    /**
     * Get model by ID
     */
    getModel(modelId: string): ModelConfig | undefined;
    /**
     * Get model for a specific role
     */
    getModelForRole(role: ModelRole): ModelConfig | undefined;
    /**
     * Get all configured models
     */
    getAllModels(): ModelConfig[];
    /**
     * Get routing analysis for debugging
     */
    analyzeRouting(taskDescription: string): {
        classification: TaskClassificationResult;
        matchedRules: Array<{
            rule: RoutingRule;
            matched: boolean;
            reason: string;
        }>;
        costComparison: Array<{
            model: string;
            cost: number;
        }>;
    };
}
/**
 * Create a router instance from config
 */
export declare function createRouter(config: MultiModelConfig): ModelRouter;
/**
 * Default router with cost-optimized settings
 */
export declare function createCostOptimizedRouter(): ModelRouter;
/**
 * Default router with performance-first settings
 */
export declare function createPerformanceRouter(): ModelRouter;
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