import type { PipeSpecInput, PipeSpecResult } from './types.js';
/**
 * Look up pipe specifications from ANSI/ASME standards
 *
 * @reference ASME B36.10M, ASME B36.19M
 * @throws {RangeError} Unknown DN size: {nominalSize}
 * @throws {RangeError} Unknown pipe size: {nps}
 * @throws {RangeError} Schedule {schedule} not available for size {nps}
 * @param input - Pipe standard, nominal size, and schedule
 * @returns Pipe dimensions (OD, wall thickness, ID, weight, areas)
 */
export declare function pipeSpec(input: PipeSpecInput): PipeSpecResult;
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