import type { Agent, AgentTier } from '../types/agent.js';
export declare class AgentRegistry {
    private agents;
    private byTier;
    private byTrigger;
    /**
     * Register single agent
     */
    register(agent: Agent): void;
    /**
     * Register multiple agents
     */
    registerAll(agents: Agent[]): void;
    /**
     * Get agent by ID
     */
    get(id: string): Agent | undefined;
    /**
     * Get agents by tier
     */
    getByTier(tier: AgentTier): Agent[];
    /**
     * Get agents by trigger pattern
     */
    getByTrigger(input: string): Agent[];
    /**
     * List all agents
     */
    listAll(): Agent[];
    /**
     * List agent IDs by tier
     */
    listByTier(): Record<AgentTier, string[]>;
    /**
     * Get agent count
     */
    count(): number;
    /**
     * Clear registry
     */
    clear(): void;
}