// 定义 CodeView 类
class CodeView {
    public Value: string;
    public Key: string;

    constructor() {
        this.Value = "";
        this.Key = "";
    }
}

// 定义 Province 类
class Province extends CodeView {
    public Child: City[];

    constructor() {
        super();
        this.Child = [];
    }
}

// 定义 City 类
class City extends CodeView {
    public Child: County[];

    constructor() {
        super();
        this.Child = [];
    }
}

// 定义 County 类
class County extends CodeView {
    constructor() {
        super();
    }
}

export { CodeView, Province, City, County };