import { LOWERCASE_KIND_VALUE, Piece, SHOW_PROMOTE, UPPERCASE_KIND_VALUE } from '../piece';
export declare type SquareList = Array<Piece | ''>;
export declare type X_AXIS = 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9;
export declare const Y_AXIS: {
    a: number;
    b: number;
    c: number;
    d: number;
    e: number;
    f: number;
    g: number;
    h: number;
    i: number;
};
export declare type Point = {
    x: number;
    y: number;
};
export declare function isPoint(target: any): target is Point;
export declare type SfenPointSelector = `${X_AXIS}${keyof typeof Y_AXIS}`;
export declare function isSfenPointSelector(str: string): str is SfenPointSelector;
export declare type HorizontalMove = `${SfenPointSelector}${SfenPointSelector}${SHOW_PROMOTE}`;
export declare function isHorizontalMove(str: string): str is HorizontalMove;
export declare type VerticalMove = `${UPPERCASE_KIND_VALUE}*${SfenPointSelector}`;
export declare function isVerticalMove(str: string): str is VerticalMove;
export declare type Move = string;
export declare function isMove(str: string): str is Move;
export declare type Hands = {
    [key in LOWERCASE_KIND_VALUE | UPPERCASE_KIND_VALUE]: number;
};
export declare type Board = {
    readonly squareList: SquareList;
    readonly hands: Hands;
    readonly isSenteTurn: boolean;
    comment?: string;
};
export declare const INITIAL_BOARD: {
    HIRATE: {
        squareStr: string;
        handsStr: string;
        turn: string;
    };
    NOPIECE: {
        squareStr: string;
        handsStr: string;
        turn: string;
    };
};
export declare const PROMOTION_POSSIBLITY: {
    readonly IMPOSSIBLE: "IMPOSSIBLE";
    readonly POSSIBLE: "POSSIBLE";
    readonly MUST: "MUST";
};
export declare type PROMOTION_POSSIBLITY = typeof PROMOTION_POSSIBLITY[keyof typeof PROMOTION_POSSIBLITY];
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