/**
 * Main metadata extractor
 * Combines all format-specific parsers
 */
import { Buffer } from 'buffer';
import { SDMetadata, ParseResult } from './types';
/**
 * Extract SD metadata from buffer
 */
export declare function extractMetadata(buffer: Buffer, logger?: any): ParseResult<SDMetadata>;
/**
 * Extract SD metadata from multiple sources
 */
export declare function extractMetadataFromSource(source: string | Buffer | ArrayBuffer): Promise<ParseResult<SDMetadata>>;
/**
 * Test if metadata exists without parsing everything
 */
export declare function hasMetadata(buffer: Buffer): boolean;
/**
 * Format metadata result to readable format
 */
export declare function formatMetadataResult(metadata: SDMetadata): string;
declare const _default: {
    extractMetadata: typeof extractMetadata;
    extractMetadataFromSource: typeof extractMetadataFromSource;
    hasMetadata: typeof hasMetadata;
    formatMetadataResult: typeof formatMetadataResult;
};
export default _default;