diff --git a/packages/core/global-types.d.ts b/packages/core/global-types.d.ts
index 2dc7a5960..d7f6e4ca9 100644
--- a/packages/core/global-types.d.ts
+++ b/packages/core/global-types.d.ts
@@ -347,3 +347,33 @@ declare class WeakRef<T> {
 	get(): T;
 	clear(): void;
 }
+
+/**
+* Create a Java long from a number
+*/
+declare function long(value: number): any;
+
+/**
+* Create a Java byte from a number
+*/
+declare function byte(value: number): any;
+
+/**
+* Create a Java short from a number
+*/
+declare function short(value: number): any;
+
+/**
+* Create a Java double from a number
+*/
+declare function double(value: number): any;
+
+/**
+* Create a Java float from a number
+*/
+declare function float(value: number): any;
+
+/**
+* Create a Java char from a string
+*/
+declare function char(value: string): any;