export { TILE_ID_A1, isAutotile, autotileKind, autotileShape } from './engine.js';
/**
 * Compute the autotile shape for a cell given which of its 8 neighbours are the
 * SAME autotile kind, and the tile's engine type.
 */
export declare function computeShape(floorType: boolean, n: boolean, e: boolean, s: boolean, w: boolean, ne: boolean, se: boolean, sw: boolean, nw: boolean): number;
/**
 * Recompute autotile shapes in-place for tile layers 0-3 of an MV map data
 * array. Off-map cells count as the same kind (MV extends autotiles past the
 * edge). Waterfall autotiles (A1 kinds 4-7) and non-autotiles are left as-is;
 * shadow (layer 4) and region (layer 5) are untouched.
 */
export declare function applyAutotileShapes(data: number[], width: number, height: number): void;