main funcions fixes

desktop-operator/node_modules/is-unicode-supported/index.d.ts

@@ -0,0 +1,14 @@
+/**
+Detect whether the terminal supports Unicode.
+
+@example
+```
+import isUnicodeSupported = require('is-unicode-supported');
+
+isUnicodeSupported();
+//=> true
+```
+*/
+declare function isUnicodeSupported(): boolean;
+
+export = isUnicodeSupported;