upgrade TypeScript to 4.1.3 (#8785)

1 files changed, 1 insertions, 1 deletions

diff --git a/cli/dts/lib.es5.d.ts b/cli/dts/lib.es5.d.ts
index a7c35dbcf..31eb384cd 100644
--- a/cli/dts/lib.es5.d.ts
+++ b/cli/dts/lib.es5.d.ts
@@ -1396,7 +1396,7 @@ interface ArrayConstructor {
     (arrayLength?: number): any[];
     <T>(arrayLength: number): T[];
     <T>(...items: T[]): T[];
-    isArray<T>(arg: T | {}): arg is T extends readonly any[] ? (unknown extends T ? never : readonly any[]) : any[];
+    isArray(arg: any): arg is any[];
     readonly prototype: any[];
 }