import type { ThreadInput, ThreadResult } from './types.js';
export declare function getMetricSizes(): string[];
export declare function getUnifiedSizes(): string[];
/**
 * Look up thread dimensions from standard tables.
 *
 * @throws RangeError if the thread size is unknown
 * @reference ISO 261 — ISO general purpose metric screw threads — General plan (metric
 *   nominal diameter and pitch series)
 * @reference ISO 68-1 — ISO general purpose screw threads — Basic profile (minor/pitch
 *   diameter derivation from major diameter and pitch)
 * @reference ASME B1.1 — Unified Inch Screw Threads (UN, UNR, and UNJ Thread Forms)
 *   (unified major diameter, TPI, and tap drill sizes)
 */
export declare function thread(input: ThreadInput): ThreadResult;
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