export declare const EMPTY_TILE_ID = "__EMPTY_TILE__";
export declare const GRID_BORDER_ID = "__GRID_BORDER__";
export declare const GRID_BORDER_SIDE_NAME = "b";
export declare const ERROR_TILE_ID = "__ERROR_TILE__";
export declare const UNRESOLVED_TILE_ID = "__UNRESOLVED_TILE__";
export declare const EMPTY_SIDE_NAME = "empty";