/**
 * Copyright (c) 2019-2025 Mark Sandford
 * Licensed under the MIT License. See LICENSE and NOTICE files.
 */
/**
 * SIC Code to IndustrySector Mapping
 *
 * Maps Standard Industrial Classification (SIC) code ranges to the
 * IndustrySector enum from src/lib/fec/industry-taxonomy.ts.
 *
 * SIC codes are 4-digit numbers organized into divisions:
 *   0100-0999: Agriculture, Forestry, Fishing
 *   1000-1499: Mining
 *   1500-1799: Construction
 *   2000-3999: Manufacturing
 *   4000-4999: Transportation, Communications, Utilities
 *   5000-5199: Wholesale Trade
 *   5200-5999: Retail Trade
 *   6000-6799: Finance, Insurance, Real Estate
 *   7000-8999: Services
 *   9100-9999: Public Administration
 *
 * Some ranges are further subdivided to match the OpenSecrets-style
 * 13-sector model used across CIV.IQ.
 */
import { IndustrySector } from './industry-taxonomy.js';
/**
 * Reverse lookup: given an IndustrySector, return all SIC code ranges that map to it.
 * Returns an empty array if no ranges match.
 */
export declare function sectorToSicRanges(sector: IndustrySector): {
    start: number;
    end: number;
}[];
/**
 * Resolve a 4-digit SIC code string to an IndustrySector.
 * Returns null if the code is invalid or falls outside all known ranges.
 */
export declare function sicToSector(sicCode: string): IndustrySector | null;
//# sourceMappingURL=sic-sector-map.d.ts.map