import GridData from './grid.js';
import { Color, Position } from './primitives.js';
import TileData from './tile.js';
export interface ShapeElement {
    x: number;
    y: number;
    color: Color;
}
export interface Shape {
    width: number;
    height: number;
    elements: ShapeElement[];
}
export declare function shapeEquals(a: Shape, b: Shape): boolean;
export declare function tilesToShape(tiles: readonly (readonly TileData[])[]): Shape;
export declare function positionsToShape(positions: Position[], color: Color): Shape;
export declare function getShapeVariants(shape: Shape): Shape[];
export declare function normalizeShape(shape: Shape): Shape;
export declare function sanitizePatternGrid(pattern: GridData, tileMapper?: (tile: TileData) => TileData): GridData;