逐步完成前后端服务器

frontend/node_modules/zrender/lib/graphic/Group.d.ts

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+import Element, { ElementProps } from '../Element';
+import BoundingRect from '../core/BoundingRect';
+import { ZRenderType } from '../zrender';
+export interface GroupProps extends ElementProps {
+}
+declare class Group extends Element<GroupProps> {
+    readonly isGroup = true;
+    private _children;
+    constructor(opts?: GroupProps);
+    childrenRef(): Element<ElementProps>[];
+    children(): Element<ElementProps>[];
+    childAt(idx: number): Element;
+    childOfName(name: string): Element;
+    childCount(): number;
+    add(child: Element): Group;
+    addBefore(child: Element, nextSibling: Element): this;
+    replace(oldChild: Element, newChild: Element): this;
+    replaceAt(child: Element, index: number): this;
+    _doAdd(child: Element): void;
+    remove(child: Element): this;
+    removeAll(): this;
+    eachChild<Context>(cb: (this: Context, el: Element, index?: number) => void, context?: Context): this;
+    traverse<T>(cb: (this: T, el: Element) => boolean | void, context?: T): this;
+    addSelfToZr(zr: ZRenderType): void;
+    removeSelfFromZr(zr: ZRenderType): void;
+    getBoundingRect(includeChildren?: Element[]): BoundingRect;
+}
+export interface GroupLike extends Element {
+    childrenRef(): Element[];
+}
+export default Group;