export type PositionType = "center" | "upper-left";
export declare namespace PositionType {
    const Center: PositionType;
    const UpperLeft: PositionType;
}
export type CenterPosition = {
    x: number;
    y: number;
    type: "center";
};
export type UpperLeftPosition = {
    x: number;
    y: number;
    type: "upper-left";
};
/**
 * 傾きや切片を計算できる線です。
 */
export declare class VLine {
    x1: number;
    y1: number;
    x2: number;
    y2: number;
    get smallPoint(): [number, number];
    get largePoint(): [number, number];
    constructor(x1: number, y1: number, x2: number, y2: number);
    distance(): number;
    contains(x: number, y: number): boolean;
    getY(x: number): number | null;
    get slope(): number | null;
    get intercept(): number | null;
    get inverseSlope(): number | null;
    inverseIntercept(x: number, y: number): number | null;
}
export declare class Padding {
    top: number;
    left: number;
    right: number;
    bottom: number;
    constructor(top?: number, left?: number, right?: number, bottom?: number);
}
export declare class Size {
    width: number;
    height: number;
    constructor(width?: number, height?: number);
}
export type Point = {
    x: number;
    y: number;
};
export declare function round100(value: number): number;
export declare function nearlyEqual(value1: number, value2: number): boolean;
export declare function escapeWithRound100(literals: TemplateStringsArray, ...placeholders: (number | string)[]): string;
/**
 * 四角形を表します。
 */
export declare class Rectangle {
    x: number;
    y: number;
    width: number;
    height: number;
    constructor(x?: number, y?: number, width?: number, height?: number);
    /**
    右端のX座標を返します。
    */
    get right(): number;
    /**
    底のY座標を返します。
    */
    get bottom(): number;
    /**
     * X座標とY座標に値を加えます。
     * @param x
     * @param y
     */
    addOffset(x: number, y: number): void;
    /**
     * 引数の四角形を内包する最小の四角形を返します。
     * @param rects
     */
    static merge(rects: Rectangle[]): Rectangle;
}