/**
 * Discovery Client Singleton
 *
 * Manages a singleton instance of AIAgentDiscoveryClient
 * Initialized from environment variables or AgenticTrustClient config
 */
import { AIAgentDiscoveryClient, type AIAgentDiscoveryClientConfig } from '@agentic-trust/agentic-trust-sdk';
/**
 * Get or create the AIAgentDiscoveryClient singleton
 * Initializes from environment variables or provided config
 */
export declare function getDiscoveryClient(config?: Partial<AIAgentDiscoveryClientConfig>): Promise<AIAgentDiscoveryClient>;
/**
 * Check if discovery client is initialized
 */
export declare function isDiscoveryClientInitialized(): boolean;
/**
 * Reset the singleton (useful for testing)
 */
export declare function resetDiscoveryClient(): void;
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