import type { TraceInput, TraceResult } from './types.js';
/**
 * Calculate PCB trace width using IPC-2221 formula
 * @param input - Trace parameters (current, temp rise, copper weight, layer)
 * @returns Trace width and related calculations
 * @throws {RangeError} current ≤ 0, tempRise ≤ 0, or copperWeight ≤ 0
 */
export declare function traceWidth(input: TraceInput): TraceResult;
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