/**
 * AST 语法树（Joker）
 */
export declare namespace AST {
    /** 节点类型 */
    enum NodeType {
        TEXT = 0,
        COMMENT = 1,
        ELEMENT = 2,
        COMMAND = 3,
        COMPONENT = 4
    }
    /**
     * 节点父类
     */
    interface Node {
        childrens?: Array<Node>;
        type: NodeType;
    }
    /**
     * 文本节点
     */
    interface Text extends Node {
        type: NodeType.TEXT;
        text: string;
    }
    /**
     * 注释节点
     */
    interface Comment extends Node {
        type: NodeType.COMMENT;
        text: string;
    }
    /**
     * Element 属性
     */
    interface Attribute {
        express?: string;
        name: string;
        value?: string;
    }
    /**
     * Element 事件
     */
    type Event = {
        name: string;
        modifiers?: Array<string>;
        functionName?: string;
        functionParam?: string;
        _code?: string;
    };
    /**
     * Element节点（含组件）
     */
    interface Element extends Node {
        type: NodeType.ELEMENT;
        childrens: Node[];
        attributes: Attribute[];
        events: Event[];
        tagName: string;
    }
    /**
     * Component节点（动态组件，不提供给SFC静态文件解析时使用）
     */
    interface Component extends Node {
        type: NodeType.COMPONENT;
        childrens: Node[];
        attributes: Attribute[];
        events: Event[];
        component: IComponent | (new (...arg: any[]) => IComponent);
    }
    /**
     * 命令节点
     */
    interface Command extends Node {
        type: NodeType.COMMAND;
        _code?: string;
        cmdName: string;
        isGroup: boolean;
    }
    /**
     * 区域渲染命令
     */
    interface SectionCommand extends Command {
        cmdName: "section";
        childrens: Node[];
        id: string;
        paramKeys: Array<string>;
    }
    interface ConditionParam {
        /**
         * let的key指
         */
        letKey: string;
        /**
         * let Key 的默认值（开始值）
         */
        defaultKeyVal: string;
        /**
         * for循环 步骤命令
         */
        step: string;
        /**
         * for循环条件
         */
        condition: string;
    }
    interface InOrOfParam {
        /**
         * for 循环index索引值
         * for in 时的key
         * for in (索引，item)
         */
        indexKey: string | undefined;
        /**
         * for循环 item值
         * for of 时的item值
         * for in （索引，item）
         */
        itemKey: string | undefined;
        /**
         * 要遍历的目标
         */
        dataKey: string;
    }
    /**
     * For循环命令
     */
    interface ForCommand extends Command {
        childrens: Node[];
        keyType: "in" | "of" | "condition";
        param: ConditionParam | InOrOfParam;
        cmdName: "for";
    }
    /**
     * if 判断节点
     */
    interface IfCommand extends Command {
        childrens: Node[];
        kind: "if" | "elseif" | "else";
        condition: string;
        cmdName: "if";
    }
    /**
     * 属性/方法 命令
     */
    interface PropertyOrFunctionCommand extends Command {
        param: string;
    }
}
export interface IComponent {
    /** 在启用keepalive时，用于判断是否在睡眠状态 */
    isSleeped: boolean;
    /** 是否要保持存活 */
    isKeepAlive?: boolean;
    /**
     * 挂载到元素上
     * @param root
     * @returns
     */
    $mount: (root: any) => void;
    /**
     * 销毁
     * @param force 是否强制销毁，用于清理keepalive组件
     * @returns
     */
    $destroy: (force?: boolean) => void;
}
export declare const JOKER_TRACE_EXPRESSIONS: unique symbol;
declare global {
    interface Window {
        [JOKER_TRACE_EXPRESSIONS]?: boolean;
    }
}