/**
 * @toolplex/ai-engine - ToolPlex Provider
 *
 * Custom ToolPlex Provider for Vercel AI SDK.
 * Wraps the ToolPlex AI API backend (api.toolplex.ai) which proxies OpenRouter
 * and returns OpenRouter-format SSE streaming responses.
 *
 * The backend handles:
 * - Authentication via ToolPlex API keys (x-api-key header)
 * - Usage tracking and enforcement
 * - OpenRouter model access
 * - Tool call handling
 */
import type { LoggerAdapter } from "../adapters/types.js";
export interface ToolPlexConfig {
    apiKey: string;
    baseURL?: string;
    clientVersion?: string;
    logger?: LoggerAdapter;
}
/**
 * Global map to store usage data from DONE events
 * Key: sessionId, Value: Usage data from backend
 * This is cleared after being read by the engine
 */
export declare const toolplexUsageMap: Map<string, {
    prompt_tokens: number;
    completion_tokens: number;
    total_tokens: number;
    cost?: number;
}>;
/**
 * ToolPlex model factory function type
 */
export type ToolPlexModelFactory = (modelId: string) => any;
/**
 * Create a ToolPlex provider instance
 *
 * Uses the specialized OpenRouter SDK provider with custom configuration to work with
 * the ToolPlex backend API which proxies OpenRouter and returns OpenRouter's SSE format.
 */
export declare function createToolPlex(config: ToolPlexConfig): ToolPlexModelFactory;
//# sourceMappingURL=toolplex.d.ts.map