/**
 * Logger configuration.
 *
 * This module provides simple logging infrastructure for the Strands SDK.
 * Users can inject their own logger implementation to control logging behavior.
 */
import type { Logger } from './types.js';
/**
 * Global logger instance.
 */
export declare let logger: Logger;
/**
 * Configures the global logger.
 *
 * Allows users to inject their own logger implementation (e.g., Pino, Winston)
 * to control logging behavior, levels, and formatting.
 *
 * @param customLogger - The logger implementation to use
 *
 * @example
 * ```typescript
 * import pino from 'pino'
 * import { configureLogging } from '@strands-agents/sdk'
 *
 * const logger = pino({ level: 'debug' })
 * configureLogging(logger)
 * ```
 */
export declare function configureLogging(customLogger: Logger): void;
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