import type { ApiConfig } from '@plyaz/types/api';
/**
 * Get the current global configuration.
 * Returns our stored ApiConfig, not fetchff's global config.
 *
 * @returns Current global configuration
 *
 * @example
 * ```typescript
 * const config = getGlobalConfig();
 * console.log('Current timeout:', config.timeout);
 * console.log('Retry attempts:', config.retry?.attempts);
 * ```
 *
 * @since 1.0.0
 */
export declare function getGlobalConfig(): ApiConfig;
export declare function setGlobalConfig(config: ApiConfig): void;
/**
 * Update the global configuration with partial values.
 * Merges the provided configuration with the existing global configuration.
 *
 * @param config - Partial configuration to merge
 *
 * @example
 * ```typescript
 * // Update only timeout, keeping other settings
 * updateGlobalConfig({
 *   timeout: 45000
 * });
 *
  // eslint-disable-next-line complexity
 * // Update retry configuration
 * updateGlobalConfig({
 *   retry: { attempts: 5 }
 * });
 * ```
 *
 * @since 1.0.0
 */
export declare function updateGlobalConfig(config: Partial<ApiConfig>): void;
/**
 * Reset global configuration to defaults.
 * Clears all global configuration settings.
 *
 * @example
 * ```typescript
 * // Reset to empty defaults
 * resetGlobalConfig();
 * ```
 *
 * @since 1.0.0
 */
export declare function resetGlobalConfig(): void;
/**
 * Configure global settings based on environment.
 * Helper function for common environment-based setup patterns.
 *
 * @param env - Environment name ('production', 'development', 'test')
 * @param config - Configuration for the environment
 *
 * @example
 * ```typescript
 * // Configure for current environment
 * import { getEnv } from '@utils/environment';
 * configureForEnvironment(getEnv('NODE_ENV'), {
 *   production: {
 *     timeout: 15000,
 *     retry: { attempts: 3 },
 *     debug: false
 *   },
 *   development: {
 *     timeout: 60000,
 *     retry: { attempts: 5 },
 *     debug: true
 *   },
 *   test: {
 *     timeout: 5000,
 *     retry: { attempts: 0 },
 *     debug: false
 *   }
 * });
 * ```
 *
 * @since 1.0.0
 */
export declare function configureForEnvironment(env: string | undefined, config: Record<string, ApiConfig>): void;
/**
 * Apply a preset configuration template.
 * Combines existing cache and polling strategies for common use cases.
 *
 * @param preset - Name of the preset to apply
 *
 * @example
 * ```typescript
 * // Apply mobile-optimized settings
 * applyConfigPreset('mobile');
 *
 * // Apply high-reliability settings
 * applyConfigPreset('reliable');
 * ```
 *
 * @since 1.0.0
 */
export declare function applyConfigPreset(preset: 'default' | 'mobile' | 'reliable' | 'fast' | 'offline-first'): void;
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