diff --git a/package.json b/package.json
index bcb000b..d051124 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "engines": {
     "node": ">=16"
   },
-  "version": "4.1.0",
+  "version": "4.1.1",
   "type": "module",
   "description": "A GLSL ES 1.0 and 3.0 parser and preprocessor that can preserve whitespace and comments",
   "scripts": {
diff --git a/src/ast/ast-types.ts b/src/ast/ast-types.ts
index 8449d6f..fa96064 100644
--- a/src/ast/ast-types.ts
+++ b/src/ast/ast-types.ts
@@ -27,7 +27,7 @@ export interface BaseNode {
   location?: LocationObject;
 }
 
-type Whitespace = string | string[];
+export type Whitespace = string | string[];
 
 // Types reused across nodes
 export type TypeQualifiers = (
@@ -222,7 +222,7 @@ export interface FloatConstantNode extends BaseNode {
   whitespace: Whitespace;
 }
 
-type SimpleStatement =
+export type SimpleStatement =
   | ContinueStatementNode
   | BreakStatementNode
   | ReturnStatementNode