import type { DatabaseConfig, ServiceConfigProvider, ExchangeFactory } from './types.js';
import { DatabaseExchange } from './exchanges/database.js';
import type { ConfigProvider } from '@adonisjs/core/types';
/**
 * Define database exchange provider configuration
 * Returns a factory function to avoid eager instantiation
 */
declare function database(config: DatabaseConfig): DatabaseExchange;
/**
 * Exchange configuration helpers
 */
export declare const exchanges: {
    readonly database: typeof database;
    readonly google: (config?: import("@mixxtor/currencyx-js").GoogleFinanceConfig) => import("@mixxtor/currencyx-js").GoogleFinanceExchange;
    readonly fixer: (config: import("@mixxtor/currencyx-js").FixerConfig) => import("@mixxtor/currencyx-js").FixerExchange;
};
/**
 * Helper to remap known exchange exchanges to factory functions
 */
type ResolvedConfig<Exchanges extends Record<string, ExchangeFactory>> = {
    default: keyof Exchanges;
    exchanges: {
        [K in keyof Exchanges]: Exchanges[K] extends ServiceConfigProvider<infer A> ? A : Exchanges[K];
    };
};
/**
 * Define currency configuration with type inference
 * Following AdonisJS pattern for better type safety
 */
export declare function defineConfig<Exchanges extends Record<string, any>>(config: ResolvedConfig<Exchanges>): ConfigProvider<ResolvedConfig<Exchanges>>;
export {};