Merge pull request #253394 in DEC/fineui from master to feature/x

* commit 'cdbb0b29f1791fab15e12b8680a1d5055e3e8615':
  无JIRA 补一个ts类型

packages/fineui/typescript/core/base.ts

@@ -402,6 +402,8 @@ export declare function getTime(...args: any[]): number;
 
 export declare function clamp(number: number, lower: number, upper: number): number;
 
+export declare function chunk<T>(array: T[], size?: number): T[][];
+
 /**
  * 判断一个对象是不是promise
  * @param obj 对象