import { LoggerOptions } from './types';
/**
 * Default logger configuration
 */
export declare const DEFAULT_LOGGER_OPTIONS: Partial<LoggerOptions>;
/**
 * Default context information
 */
export declare const DEFAULT_CONTEXT: {
    service: string;
    version: string;
    environment: string;
    hostname: string;
    pid: number;
};
/**
 * Maximum log message length
 */
export declare const MAX_MESSAGE_LENGTH = 8192;
/**
 * Maximum metadata size (in characters when JSON stringified)
 */
export declare const MAX_METADATA_SIZE = 32768;
/**
 * Default HTTP transport configuration
 */
export declare const DEFAULT_HTTP_CONFIG: {
    timeout: number;
    batchSize: number;
    flushInterval: number;
    retries: number;
};
/**
 * Default file transport configuration
 */
export declare const DEFAULT_FILE_CONFIG: {
    maxSize: number;
    maxFiles: number;
    createDir: boolean;
};
/**
 * Performance timer storage
 */
export declare const TIMER_STORAGE: Map<string, number>;
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