export type Variant = 'shuuro' | 'standard';
export type Color = (typeof colors)[number];
export type PieceSide = (typeof pieceSides)[number];
export type Letter = (typeof letters)[number];
export type PieceLetter = `${'' | '+'}${Letter | Uppercase<Letter>}`;
export type Role = `${'' | 'p'}${Letter}-piece`;
export type File = (typeof files)[number];
export type Rank = (typeof ranks)[number];
export type Key = 'a0' | `${File}${Rank}`;
export type DropOrig = `${PieceLetter}@`;
export type Orig = DropOrig | Key;
export type FEN = string;
export type Pos = [number, number];
export interface Piece {
    role: Role;
    color: Color;
    promoted?: boolean;
}
export interface Drop {
    role: Role;
    key: Key;
}
export type Pieces = Map<Key, Piece>;
export type Plinths = Map<Key, Piece>;
export type PiecesDiff = Map<Key, Piece | undefined>;
export type KeyPair = [Key, Key];
export type NumberPair = [number, number];
export type NumberQuad = [number, number, number, number];
export interface Rect {
    left: number;
    top: number;
    width: number;
    height: number;
}
export type DropDests = Map<Role, Key[]>;
export type Dests = Map<Orig, Key[]>;
export interface Elements {
    board: HTMLElement;
    pocketTop?: HTMLElement;
    pocketBottom?: HTMLElement;
    wrap: HTMLElement;
    container: HTMLElement;
    ghost?: HTMLElement;
    svg?: SVGElement;
    customSvg?: SVGElement;
}
export interface Dom {
    elements: Elements;
    bounds: Memo<DOMRect>;
    redraw: () => void;
    redrawNow: (skipSvg?: boolean) => void;
    unbind?: Unbind;
    destroyed?: boolean;
}
export interface Exploding {
    stage: number;
    keys: readonly Key[];
}
export interface MoveMetadata {
    premove: boolean;
    ctrlKey?: boolean;
    holdTime?: number;
    captured?: Piece;
    predrop?: boolean;
}
export interface SetPremoveMetadata {
    ctrlKey?: boolean;
}
export type MouchEvent = Event & Partial<MouseEvent & TouchEvent>;
export interface KeyedNode extends HTMLElement {
    cgKey: Key;
}
export interface PieceNode extends KeyedNode {
    tagName: 'PIECE';
    cgPiece: string;
    cgAnimating?: boolean;
    cgFading?: boolean;
    cgDragging?: boolean;
}
export interface SquareNode extends KeyedNode {
    tagName: 'SQUARE';
}
export interface Memo<A> {
    (): A;
    clear: () => void;
}
export interface Timer {
    start: () => void;
    cancel: () => void;
    stop: () => number;
}
export type Redraw = () => void;
export type Unbind = () => void;
export type Milliseconds = number;
export type KHz = number;
export declare const colors: readonly ["white", "black", "none"];
export declare const pieceSides: readonly ["ally", "enemy"];
export declare const files: readonly ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l"];
export declare const ranks: readonly ["1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12"];
export declare const letters: readonly ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"];
export interface BoardDimensions {
    width: number;
    height: number;
}
export declare enum Geometry {
    dim12x12 = 0,
    dim8x8 = 1,
    dim6x6 = 2
}
export declare const enum Notation {
    ALGEBRAIC = 0
}
export declare const dimensions: BoardDimensions[];
export type PocketPosition = 'top' | 'bottom';
export type Pocket = Partial<Record<Role, number>>;
export type Pockets = Partial<Record<Color, Pocket>>;
export type PocketRoles = (color: Color) => PieceLetter[] | undefined;
export declare const eventsDragging: string[];
export declare const eventsClicking: string[];