Use generated code for untyped nodes

12 files changed, 239 insertions, 66 deletions

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/Native.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/Native.java
new file mode 100644
index 0000000..50a52d2
--- /dev/null
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/Native.java
@@ -0,0 +1,20 @@
+package org.zwobble.hobgoblin.compiler.ast.untyped;
+
+import org.zwobble.hobgoblin.compiler.ast.DocComment;
+import org.zwobble.hobgoblin.compiler.sources.NullSource;
+import org.zwobble.hobgoblin.compiler.sources.Source;
+import org.zwobble.hobgoblin.compiler.types.NamespaceName;
+
+public class Native {
+    public static DocComment arbitraryDocComment() {
+        return DocComment.EMPTY;
+    }
+
+    public static NamespaceName arbitraryNamespaceName() {
+        return NamespaceName.of();
+    }
+
+    public static Source arbitrarySource() {
+        return NullSource.INSTANCE;
+    }
+}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedConstructedTypeNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedConstructedTypeNode.java
index 6615995..c9ca4e4 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedConstructedTypeNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedConstructedTypeNode.java
@@ -1,12 +1,31 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedConstructedTypeNode(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode receiver, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode> args, org.zwobble.hobgoblin.compiler.sources.Source source) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.arbitrary().build(), java.util.List.of(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-import java.util.List;
+    public record Builder(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode receiver, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode> args, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode(receiver, args, source);
+        }
 
-public record UntypedConstructedTypeNode(
-    UntypedTypeLevelExpressionNode receiver,
-    List<UntypedTypeLevelExpressionNode> args,
-    Source source
-) implements UntypedTypeLevelExpressionNode {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder withReceiver(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode receiver) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder withArgs(java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode> args) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder(receiver, args, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder(receiver, args, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceNode.java
index d4d98d3..afa5b0e 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceNode.java
@@ -1,13 +1,31 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.sources.Source;
-import org.zwobble.hobgoblin.compiler.types.NamespaceName;
+public record UntypedNamespaceNode(org.zwobble.hobgoblin.compiler.types.NamespaceName namespaceName, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode> body, org.zwobble.hobgoblin.compiler.sources.Source source) {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder(org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitraryNamespaceName(), java.util.List.of(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-import java.util.List;
+    public record Builder(org.zwobble.hobgoblin.compiler.types.NamespaceName namespaceName, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode> body, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode(namespaceName, body, source);
+        }
 
-public record UntypedNamespaceNode(
-    NamespaceName namespaceName,
-    List<UntypedNamespaceStatementNode> body,
-    Source source
-) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder withNamespaceName(org.zwobble.hobgoblin.compiler.types.NamespaceName namespaceName) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder(namespaceName, body, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder withBody(java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode> body) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder(namespaceName, body, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder(namespaceName, body, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceStatementNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceStatementNode.java
index 5cbe444..ef1ca5e 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceStatementNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNamespaceStatementNode.java
@@ -1,4 +1,6 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-public sealed interface UntypedNamespaceStatementNode extends UntypedNode permits UntypedNativeTypeDefinitionNode, UntypedStructDefinitionNode, UntypedSumDefinitionNode {
+public sealed interface UntypedNamespaceStatementNode permits org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode {
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNativeTypeDefinitionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNativeTypeDefinitionNode.java
index bdf76f8..fb0d550 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNativeTypeDefinitionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNativeTypeDefinitionNode.java
@@ -1,11 +1,31 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.ast.DocComment;
-import org.zwobble.hobgoblin.compiler.sources.Source;
-
-public record UntypedNativeTypeDefinitionNode(
-    String name,
-    DocComment docComment,
-    Source source
-) implements UntypedNamespaceStatementNode {
+public record UntypedNativeTypeDefinitionNode(String name, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder("", org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitraryDocComment(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
+
+    public record Builder(String name, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode(name, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder withName(String name) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder(name, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder withDocComment(org.zwobble.hobgoblin.compiler.ast.DocComment docComment) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder(name, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder(name, docComment, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNativeTypeDefinitionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNode.java
deleted file mode 100644
index c816495..0000000
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedNode.java
+++ /dev/null
@@ -1,7 +0,0 @@
-package org.zwobble.hobgoblin.compiler.ast.untyped;
-
-import org.zwobble.hobgoblin.compiler.sources.Source;
-
-public interface UntypedNode {
-    Source source();
-}
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructDefinitionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructDefinitionNode.java
index 179aca2..80c6c3a 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructDefinitionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructDefinitionNode.java
@@ -1,14 +1,35 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.ast.DocComment;
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedStructDefinitionNode(String name, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode> fields, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder("", java.util.List.of(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitraryDocComment(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-import java.util.List;
+    public record Builder(String name, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode> fields, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode(name, fields, docComment, source);
+        }
 
-public record UntypedStructDefinitionNode(
-    String name,
-    List<UntypedStructFieldDefinitionNode> fields,
-    DocComment docComment,
-    Source source
-) implements UntypedNamespaceStatementNode {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder withName(String name) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder(name, fields, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder withFields(java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode> fields) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder(name, fields, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder withDocComment(org.zwobble.hobgoblin.compiler.ast.DocComment docComment) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder(name, fields, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder(name, fields, docComment, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructDefinitionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
index 0e21663..ba34624 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedStructFieldDefinitionNode.java
@@ -1,10 +1,31 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedStructFieldDefinitionNode(String name, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type, org.zwobble.hobgoblin.compiler.sources.Source source) {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder("", org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.arbitrary().build(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-public record UntypedStructFieldDefinitionNode(
-    String name,
-    UntypedTypeLevelExpressionNode type,
-    Source source
-) implements UntypedNode {
+    public record Builder(String name, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode(name, type, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder withName(String name) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder(name, type, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder withType(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder(name, type, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder(name, type, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedStructFieldDefinitionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumDefinitionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumDefinitionNode.java
index 842dc0c..3a95cfb 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumDefinitionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumDefinitionNode.java
@@ -1,14 +1,35 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.ast.DocComment;
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedSumDefinitionNode(String name, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode> variants, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedNamespaceStatementNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder("", java.util.List.of(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitraryDocComment(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-import java.util.List;
+    public record Builder(String name, java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode> variants, org.zwobble.hobgoblin.compiler.ast.DocComment docComment, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode(name, variants, docComment, source);
+        }
 
-public record UntypedSumDefinitionNode(
-    String name,
-    List<UntypedSumVariantDefinitionNode> variants,
-    DocComment docComment,
-    Source source
-) implements UntypedNamespaceStatementNode {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder withName(String name) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder(name, variants, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder withVariants(java.util.List<org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode> variants) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder(name, variants, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder withDocComment(org.zwobble.hobgoblin.compiler.ast.DocComment docComment) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder(name, variants, docComment, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder(name, variants, docComment, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumDefinitionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumVariantDefinitionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumVariantDefinitionNode.java
index 91a9f0d..daba7ce 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumVariantDefinitionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedSumVariantDefinitionNode.java
@@ -1,9 +1,27 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedSumVariantDefinitionNode(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type, org.zwobble.hobgoblin.compiler.sources.Source source) {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode.arbitrary().build(), org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-public record UntypedSumVariantDefinitionNode(
-    UntypedTypeLevelExpressionNode type,
-    Source source
-) implements UntypedNode {
+    public record Builder(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode(type, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder withType(org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode type) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder(type, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder(type, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedSumVariantDefinitionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelExpressionNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelExpressionNode.java
index 12414c5..956afb7 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelExpressionNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelExpressionNode.java
@@ -1,4 +1,6 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-public sealed interface UntypedTypeLevelExpressionNode extends UntypedNode permits UntypedConstructedTypeNode, UntypedTypeLevelReferenceNode {
+public sealed interface UntypedTypeLevelExpressionNode permits org.zwobble.hobgoblin.compiler.ast.untyped.UntypedConstructedTypeNode, org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode {
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode body
 }
diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelReferenceNode.java b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelReferenceNode.java
index 018655e..f2bc5e6 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelReferenceNode.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/ast/untyped/UntypedTypeLevelReferenceNode.java
@@ -1,9 +1,27 @@
 package org.zwobble.hobgoblin.compiler.ast.untyped;
 
-import org.zwobble.hobgoblin.compiler.sources.Source;
+public record UntypedTypeLevelReferenceNode(String name, org.zwobble.hobgoblin.compiler.sources.Source source) implements org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelExpressionNode {
+    public static org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder arbitrary() {
+        return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder("", org.zwobble.hobgoblin.compiler.ast.untyped.Native.arbitrarySource());
+    }
 
-public record UntypedTypeLevelReferenceNode(
-    String name,
-    Source source
-) implements UntypedTypeLevelExpressionNode {
+    public record Builder(String name, org.zwobble.hobgoblin.compiler.sources.Source source) {
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode build() {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode(name, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder withName(String name) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder(name, source);
+        }
+
+        public org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder withSource(org.zwobble.hobgoblin.compiler.sources.Source source) {
+            return new org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder(name, source);
+        }
+
+        // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder body
+        // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode.Builder body
+    }
+
+    // Custom area start: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode body
+    // Custom area end: org.zwobble.hobgoblin.compiler.ast.untyped.UntypedTypeLevelReferenceNode body
 }