/**
 * Provider Factory
 * Creates and caches LLM providers based on configuration
 */
import type { LLMProvider, ProviderName, ProviderConfig } from './types.js';
/**
 * Create an LLM provider based on configuration
 * @param config - Provider configuration
 * @returns LLM provider instance
 */
export declare function createProvider(config: ProviderConfig): LLMProvider;
/**
 * Get the cached provider instance
 * Throws if no provider has been initialized
 * @returns The cached LLM provider
 */
export declare function getProvider(): LLMProvider;
/**
 * Initialize and cache a provider
 * @param config - Provider configuration
 * @returns The initialized provider
 */
export declare function initializeProvider(config: ProviderConfig): LLMProvider;
/**
 * Reset the cached provider
 * Useful for testing or switching providers
 */
export declare function resetProvider(): void;
/**
 * Check if a provider is initialized
 * @returns true if a provider is initialized
 */
export declare function hasProvider(): boolean;
/**
 * Get the current provider name
 * @returns Provider name or null if not initialized
 */
export declare function getProviderName(): ProviderName | null;
/**
 * Get the current provider configuration
 * @returns Provider config or null if not initialized
 */
export declare function getProviderConfig(): ProviderConfig | null;
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