/**
 * @toolplex/ai-engine - Provider Factory
 *
 * Central provider management for the AI engine.
 * Handles instantiation of both built-in AI SDK providers and custom providers.
 */
import type { AIProvider, ProviderCredentials } from "../types/index.js";
import type { LoggerAdapter } from "../adapters/types.js";
export { toolplexUsageMap } from "./toolplex.js";
export interface GetProviderOptions {
    logger?: LoggerAdapter;
    clientVersion?: string;
}
/**
 * Get provider instance by ID
 *
 * @param providerId - Provider identifier (e.g., 'toolplex', 'openai', 'anthropic')
 * @param credentials - API keys and credentials
 * @param options - Optional logger and client version
 * @returns Provider instance
 */
export declare function getProvider(providerId: string, credentials: ProviderCredentials, options?: GetProviderOptions): AIProvider;
/**
 * Get model instance for streaming
 *
 * @param modelId - Full model identifier (e.g., 'anthropic/claude-sonnet-4')
 * @param credentials - API keys and credentials
 * @param options - Optional logger and client version
 * @returns Language model instance ready for streamText()
 */
export declare function getModel(modelId: string, credentials: ProviderCredentials, options?: GetProviderOptions): any;
/**
 * Check if a provider is available (has required credentials)
 *
 * @param providerId - Provider identifier
 * @param credentials - API keys and credentials
 * @returns True if provider can be instantiated
 */
export declare function isProviderAvailable(providerId: string, credentials: ProviderCredentials): boolean;
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