/**
 * Symbol Comparator
 *
 * Extracts and compares pins from:
 * 1. Reference SVGs from JLCPCB/EasyEDA API (docType: 2)
 * 2. Generated KiCad symbol S-expressions
 */
import type { SymbolData, SymbolComparisonResult, ComparisonOptions } from './types.js';
/**
 * Extract symbol data from EasyEDA reference SVG
 *
 * SVG structure:
 * - <g c_partid="part_pin" number="1" name="VCC" c_origin="x,y" ...>
 */
export declare function extractFromReferenceSVG(svg: string): SymbolData;
/**
 * Extract symbol data from KiCad S-expression
 *
 * Parses (pin ...) expressions from .kicad_sym format
 */
export declare function extractFromKiCadSymbol(sexp: string): SymbolData;
/**
 * Compare reference and generated symbol data
 */
export declare function compareSymbols(reference: SymbolData, generated: SymbolData, options?: ComparisonOptions): SymbolComparisonResult;
/**
 * Format comparison result for console output
 */
export declare function formatSymbolComparisonResult(result: SymbolComparisonResult): string;
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