import type { TaskCategory, AgentSpecialization } from './types.js';
export declare class ModelRouter {
    private readonly userOverrides;
    constructor(userOverrides?: Partial<Record<AgentSpecialization, string>>);
    /**
     * Select the model for a given task category and optional agent specialization.
     * Override precedence: options.models[agent] > default routing table.
     */
    selectModel(category: TaskCategory, agent?: AgentSpecialization): string;
}