2 files changed, 16 insertions, 4 deletions
diff --git a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedSumTypeDefinitionNode.java b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedSumTypeDefinitionNode.java
index 150c2c59..18bdc6d8 100644
--- a/src/main/java/org/shedlang/compiler/ast/untyped/UntypedSumTypeDefinitionNode.java
+++ b/src/main/java/org/shedlang/compiler/ast/untyped/UntypedSumTypeDefinitionNode.java
@@ -3,37 +3,49 @@ package org.shedlang.compiler.ast.untyped;
 import org.pcollections.PVector;
 import org.shedlang.compiler.sources.Source;
 import org.shedlang.compiler.sources.Sources;
+import org.shedlang.compiler.types.Visibility;
 import org.shedlang.compiler.util.P;
 
 import java.util.List;
 
 public record UntypedSumTypeDefinitionNode(
     String name,
+    Visibility visibility,
     List<UntypedTypeLevelExpressionNode> variants,
     Source source
 ) implements UntypedNamespaceStatementNode {
     public static Builder builder() {
-        return new Builder("DefaultSumTypeName", P.vector());
+        return new Builder("DefaultSumTypeName", Visibility.PRIVATE, P.vector());
     }
 
     public record Builder(
         String name,
+        Visibility visibility,
         PVector<UntypedTypeLevelExpressionNode> variants
     ) {
         public UntypedSumTypeDefinitionNode build() {
             return new UntypedSumTypeDefinitionNode(
                 this.name,
+                this.visibility,
                 this.variants,
                 Sources.NULL
             );
         }
 
         public Builder withName(String name) {
-            return new Builder(name, this.variants);
+            return new Builder(
+                name,
+                this.visibility,
+                this.variants
+            );
         }
 
         public Builder addVariant(UntypedTypeLevelExpressionNode variant) {
-            return new Builder(this.name, this.variants.plus(variant));
+            return new Builder(
+                this.name,
+                this.visibility,
+                this.variants.plus(variant)
+            );
         }
     }
 }
diff --git a/src/main/java/org/shedlang/compiler/parser/Parser.java b/src/main/java/org/shedlang/compiler/parser/Parser.java
index 0151e7d6..92052722 100644
--- a/src/main/java/org/shedlang/compiler/parser/Parser.java
+++ b/src/main/java/org/shedlang/compiler/parser/Parser.java
@@ -696,7 +696,7 @@ public class Parser {
         var end = tokens.position();
         var source = start.to(end);
 
-        return new UntypedSumTypeDefinitionNode(name, variants, source);
+        return new UntypedSumTypeDefinitionNode(name, Visibility.PRIVATE, variants, source);
     }
 
     static UntypedExpressionNode parseTopLevelExpression(TokenIterator<TokenType> tokens) {