/**
 * STLParser — Parse binary and ASCII STL files into surface triangle meshes.
 *
 * STL (Stereolithography) is the most common format for 3D printing and CAD export.
 *
 * Binary format:
 *   - 80-byte header (ignored)
 *   - 4-byte uint32: triangle count
 *   - Per triangle (50 bytes): normal (3×f32) + 3 vertices (9×f32) + 2-byte attribute
 *
 * ASCII format:
 *   - "solid <name>" header
 *   - Per facet: "facet normal ...", "outer loop", 3× "vertex x y z", "endloop", "endfacet"
 *   - "endsolid"
 *
 * @see MeshImporter — pipes STL surface into AutoMesher.meshSurface()
 */
import type { SurfaceMesh } from '../AutoMesher';
/**
 * Parse an STL file (auto-detects binary vs ASCII).
 */
export declare function parseSTL(buffer: ArrayBuffer): SurfaceMesh;
/**
 * Build a minimal binary STL buffer (for testing).
 */
export declare function buildSTL(triangles: [number, number, number][][]): ArrayBuffer;
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