/**
 * 3D Pallet Loading Calculator
 * Uses BLF (Bottom-Left-Fill) algorithm with FFD (First Fit Decreasing) heuristic
 */
import type { Pallet3DInput, Pallet3DResult } from './types.js';
/**
 * Calculate 3D pallet loading
 *
 * Uses Bottom-Left-Fill (BLF) algorithm with First Fit Decreasing (FFD) heuristic
 * to efficiently pack boxes onto a pallet.
 *
 * @param input - Pallet specifications and box types
 * @returns Placement results with metrics
 */
export declare function pallet3d(input: Pallet3DInput): Pallet3DResult;
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