declare class SegmentNode {
    left: SegmentNode;
    right: SegmentNode;
    value: boolean;
    add: boolean;
}
declare class SegmentTree {
    root: SegmentNode;
    constructor();
    update(node: SegmentNode, minStart: number, maxEnd: number, start: number, end: number, value: boolean): void;
    /**
     * 由子节点计算父节点的信息
     */
    pushup(node: SegmentNode): void;
    /**
     * 懒标记
     * 涉及区间修改时需要
     * 当前父节点的修改信息下传到子节点
     */
    pushdown(node: SegmentNode): void;
    query(node: SegmentNode, minStart: number, maxEnd: number, start: number, end: number): boolean;
}
export default SegmentTree;