import { Buffer } from 'buffer';
import { SDMetadata, ParseResult } from './types';
/**
 * Parse PNG metadata from buffer
 * Supports tEXt, iTXt, zTXt chunks and Stealth PNG
 */
export declare function parsePNGMetadata(buffer: Buffer, logger?: any): ParseResult<SDMetadata>;
declare const _default: {
    parsePNGMetadata: typeof parsePNGMetadata;
};
export default _default;