declare module "@premarket/core" {
  export interface WhalesMarketConfig {
    apiKey: string;
    apiUrl?: string;
  }

  export interface WhalesMarketProduct {
    id: string;
    name: string;
    price: number;
    description?: string;
    imageUrl?: string;
  }

  export interface WhalesMarketClient {
    getProducts(): Promise<WhalesMarketProduct[]>;
    getProduct(id: string): Promise<WhalesMarketProduct | null>;
  }

  export function createClient(config: WhalesMarketConfig): WhalesMarketClient;

  export const VERSION: string;
}