/**
 * Provider Registry - Unified interface for multiple LLM providers
 *
 * Supports: OpenAI, Anthropic, Google, xAI, Mistral, Groq, and more via Vercel AI SDK
 */
import { LanguageModelV1 } from 'ai';
export type ProviderName = 'openai' | 'anthropic' | 'google' | 'xai' | 'mistral' | 'groq';
export interface ProviderConfig {
    name: ProviderName;
    envKey: string;
    defaultModel: string;
    models: string[];
}
export declare const PROVIDERS: Record<ProviderName, ProviderConfig>;
/**
 * Parse a model string like "openai/gpt-4o" or just "gpt-4o"
 */
export declare function parseModelString(modelString: string): {
    provider: ProviderName;
    model: string;
};
/**
 * Get a model instance from provider and model name
 */
export declare function getModel(providerName: ProviderName, modelName: string): LanguageModelV1;
/**
 * Get model from a model string like "openai/gpt-4o" or "gpt-4o-mini"
 */
export declare function getModelFromString(modelString: string): LanguageModelV1;
/**
 * Check if a provider's API key is configured
 */
export declare function isProviderConfigured(providerName: ProviderName): boolean;
/**
 * Get list of configured providers
 */
export declare function getConfiguredProviders(): ProviderName[];
/**
 * Get all available providers
 */
export declare function getAllProviders(): ProviderName[];
/**
 * Get provider configuration
 */
export declare function getProviderConfig(providerName: ProviderName): ProviderConfig | undefined;
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