diff --git a/nativescript-core/css/css-tree-parser.d.ts b/nativescript-core/css/css-tree-parser.d.ts
new file mode 100644
index 000000000..263200320
--- /dev/null
+++ b/nativescript-core/css/css-tree-parser.d.ts
@@ -0,0 +1 @@
+export declare function cssTreeParse(css: any, source: any): any;