import { InjectionToken } from '@angular/core';
/**
 * Configuration interface for Subtrak SDK
 */
export interface SubtrakConfig {
    /**
     * Public API key (pk_test_* or pk_live_*)
     * For read-only access to products, prices, and public data
     */
    publicKey?: string;
    /**
     * Secret API key (sk_test_* or sk_live_*)
     * For full API access (use only in secure server-side contexts)
     */
    secretKey?: string;
    /**
     * API base URL
     * @default 'https://subtrak-api-staging-378055833376.europe-west1.run.app/api/v5/'
     */
    apiUrl?: string;
    /**
     * Request timeout in milliseconds
     * @default 30000 (30 seconds)
     */
    timeout?: number;
    /**
     * Maximum number of retry attempts for failed requests
     * @default 3
     */
    maxRetries?: number;
    /**
     * Customer ID for customer-scoped operations
     * Can be set later via SubtrakService.setCustomerId()
     */
    customerId?: string;
    /**
     * Enable debug logging
     * @default false
     */
    debug?: boolean;
}
/**
 * Default configuration values
 */
export declare const DEFAULT_SUBTRAK_CONFIG: Partial<SubtrakConfig>;
/**
 * Injection token for Subtrak configuration
 */
export declare const SUBTRAK_CONFIG: InjectionToken<SubtrakConfig>;