diff --git a/avaje-prisms/pom.xml b/avaje-prisms/pom.xml
index 994d1c4..da998cc 100644
--- a/avaje-prisms/pom.xml
+++ b/avaje-prisms/pom.xml
@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>io.avaje</groupId>
 		<artifactId>avaje-prisms-parent</artifactId>
-		<version>1.44-RC2</version>
+		<version>1.44-RC3</version>
 	</parent>
 	<artifactId>avaje-prisms</artifactId>
 	<name>avaje-prisms</name>
diff --git a/blackbox-test-prism/pom.xml b/blackbox-test-prism/pom.xml
index d7a7d38..3a96a5a 100644
--- a/blackbox-test-prism/pom.xml
+++ b/blackbox-test-prism/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>io.avaje</groupId>
     <artifactId>avaje-prisms-parent</artifactId>
-    <version>1.44-RC2</version>
+    <version>1.44-RC3</version>
   </parent>
 
   <artifactId>blackbox-test-prism</artifactId>
diff --git a/blackbox-test-prism/src/test/java/io/avaje/prisms/test/ProcessorUtilsTest.java b/blackbox-test-prism/src/test/java/io/avaje/prisms/test/ProcessorUtilsTest.java
index 4229114..001a2f8 100644
--- a/blackbox-test-prism/src/test/java/io/avaje/prisms/test/ProcessorUtilsTest.java
+++ b/blackbox-test-prism/src/test/java/io/avaje/prisms/test/ProcessorUtilsTest.java
@@ -1,6 +1,9 @@
 package io.avaje.prisms.test;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import org.junit.jupiter.api.Test;
 
@@ -33,4 +36,189 @@ void trimmedAnnotation() {
         ProcessorUtils.trimAnnotations(
             "java.ProcessorUtils.Map<java.lang.@jakarta.validation.constraints.Positive(message=\\\"sus \\\", groups=1) String,java.lang.String>"));
   }
+
+  // --- Tests for boxedPrimitive ---
+
+  @Test
+  void boxedPrimitive_primitiveType() {
+    assertEquals("java.lang.Integer", ProcessorUtils.boxedPrimitive("int"));
+    assertEquals("java.lang.Character", ProcessorUtils.boxedPrimitive("char"));
+    assertEquals("java.lang.Boolean", ProcessorUtils.boxedPrimitive("boolean"));
+    assertEquals("java.lang.Double", ProcessorUtils.boxedPrimitive("double"));
+  }
+
+  @Test
+  void boxedPrimitive_nonPrimitiveType() {
+    assertNull(ProcessorUtils.boxedPrimitive("String"));
+    assertNull(ProcessorUtils.boxedPrimitive("java.util.List"));
+  }
+
+  @Test
+  void boxedPrimitive_emptyString() {
+    assertNull(ProcessorUtils.boxedPrimitive(""));
+  }
+
+  // --- Tests for isPrimitive ---
+
+  @Test
+  void isPrimitive_isPrimitive() {
+    assertTrue(ProcessorUtils.isPrimitive("byte"));
+    assertTrue(ProcessorUtils.isPrimitive("long"));
+    assertTrue(ProcessorUtils.isPrimitive("float"));
+  }
+
+  @Test
+  void isPrimitive_isNotPrimitive() {
+    assertFalse(ProcessorUtils.isPrimitive("Byte"));
+    assertFalse(ProcessorUtils.isPrimitive("String"));
+    assertFalse(ProcessorUtils.isPrimitive("void")); // void is not in BOX_MAP
+  }
+
+  // --- Tests for packageOf ---
+
+  @Test
+  void packageOf_normalFQN() {
+    assertEquals("java.util", ProcessorUtils.packageOf("java.util.List"));
+  }
+
+  @Test
+  void packageOf_nestedClass() {
+    // shortType handles nested classes, e.g., "Outer.Inner"
+    assertEquals("io.avaje.test", ProcessorUtils.packageOf("io.avaje.test.Outer.Inner"));
+  }
+
+  @Test
+  void packageOf_emptyString() {
+    assertEquals("", ProcessorUtils.packageOf(""));
+  }
+
+  // --- Tests for shortType ---
+
+  @Test
+  void shortType_simpleClass() {
+    assertEquals("List", ProcessorUtils.shortType("java.util.List"));
+  }
+
+  @Test
+  void shortType_nestedClass() {
+    assertEquals("Outer.Inner", ProcessorUtils.shortType("io.avaje.test.Outer.Inner"));
+  }
+
+  @Test
+  void shortType_nestedClassWithPackagePrefix() {
+    assertEquals("Outer.Inner", ProcessorUtils.shortType("mypkg.Outer.Inner"));
+  }
+
+  @Test
+  void shortType_classInDefaultPackage() {
+    assertEquals("MyClass", ProcessorUtils.shortType("MyClass"));
+  }
+
+  @Test
+  void shortType_packageOnly() {
+    assertEquals("util", ProcessorUtils.shortType("java.util"));
+  }
+
+  @Test
+  void shortType_emptyString() {
+    assertEquals("", ProcessorUtils.shortType(""));
+  }
+
+  // --- Tests for commonParent ---
+
+  @Test
+  void commonParent_identical() {
+    assertEquals(
+        "java.util.concurrent",
+        ProcessorUtils.commonParent("java.util.concurrent", "java.util.concurrent"));
+  }
+
+  @Test
+  void commonParent_firstIsParent() {
+    assertEquals("java.util", ProcessorUtils.commonParent("java.util", "java.util.List"));
+  }
+
+  @Test
+  void commonParent_secondIsParent() {
+    assertEquals("java.util", ProcessorUtils.commonParent("java.util.List", "java.util"));
+  }
+
+  @Test
+  void commonParent_defaultPackage() {
+    assertEquals("MyClass", ProcessorUtils.commonParent("MyClass", "java.lang"));
+  }
+
+  @Test
+  void commonParent_nullSecond() {
+    assertEquals("java.util.List", ProcessorUtils.commonParent("java.util.List", null));
+  }
+
+  @Test
+  void commonParent_nullFirst() {
+    // commonParent calls packageOf(secondPkg) if first is null
+    assertEquals("java.util", ProcessorUtils.commonParent(null, "java.util.List"));
+  }
+
+  @Test
+  void commonParent_bothNull() {
+    assertNull(ProcessorUtils.commonParent(null, null));
+  }
+
+  // --- Tests for sanitizeImports ---
+
+  @Test
+  void sanitizeImports_cleanInput() {
+    String input = "import java.util.List;";
+    assertEquals("import java.util.List;", ProcessorUtils.sanitizeImports(input));
+  }
+
+  @Test
+  void sanitizeImports_withAnnotation() {
+    String input = "@SuppressWarning(\"a\") import java.util.List;";
+    assertEquals("java.util.List;", ProcessorUtils.sanitizeImports(input));
+  }
+
+  @Test
+  void sanitizeImports_invalidCharacters() {
+    String input = "import java.util.L<>ist$;";
+    assertEquals("import java.util.List$;", ProcessorUtils.sanitizeImports(input));
+  }
+
+  // --- Tests for extractEnclosingFQN ---
+
+  @Test
+  void extractEnclosingFQN_notNested() {
+    assertEquals("java.util.List", ProcessorUtils.extractEnclosingFQN("java.util.List"));
+  }
+
+  @Test
+  void extractEnclosingFQN_singleNested() {
+    assertEquals("io.package.Top", ProcessorUtils.extractEnclosingFQN("io.package.Top.Nested"));
+  }
+
+  @Test
+  void extractEnclosingFQN_doubleNested() {
+    assertEquals(
+        "io.package.Top.Nested", ProcessorUtils.extractEnclosingFQN("io.package.Top.Nested.Inner"));
+  }
+  @Test
+  void extractEnclosingFQN_tripleNested() {
+    assertEquals(
+        "io.package.Top.Nested.Inner", ProcessorUtils.extractEnclosingFQN("io.package.Top.Nested.Inner.Inner"));
+  }
+
+  @Test
+  void extractEnclosingFQN_defaultPackage() {
+    assertEquals("Top", ProcessorUtils.extractEnclosingFQN("Top.Nested"));
+  }
+
+  @Test
+  void extractEnclosingFQN_topLevelClassOnly() {
+    assertEquals("Top", ProcessorUtils.extractEnclosingFQN("Top"));
+  }
+
+  @Test
+  void extractEnclosingFQN_packageOnly() {
+    assertEquals("java.util", ProcessorUtils.extractEnclosingFQN("java.util"));
+  }
 }
diff --git a/pom.xml b/pom.xml
index 11a491e..9fa2687 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
 	</parent>
 	<groupId>io.avaje</groupId>
 	<artifactId>avaje-prisms-parent</artifactId>
-	<version>1.44-RC2</version>
+	<version>1.44-RC3</version>
 	<packaging>pom</packaging>
 	<name>avaje-prisms-parent</name>
 	<description>A modular fork of hickory</description>
@@ -17,7 +17,7 @@
 	</scm>
 
 	<properties>
-    <project.build.outputTimestamp>2025-11-20T14:31:33Z</project.build.outputTimestamp>
+    <project.build.outputTimestamp>2025-11-21T15:27:08Z</project.build.outputTimestamp>
 	  <nexus.staging.autoReleaseAfterClose>true</nexus.staging.autoReleaseAfterClose>
 	</properties>
 
diff --git a/prism-core/pom.xml b/prism-core/pom.xml
index f78f0a7..b34b20a 100644
--- a/prism-core/pom.xml
+++ b/prism-core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>io.avaje</groupId>
     <artifactId>avaje-prisms-parent</artifactId>
-    <version>1.44-RC2</version>
+    <version>1.44-RC3</version>
   </parent>
 	<name>avaje-prisms-core</name>
   <artifactId>avaje-prism-core</artifactId>
diff --git a/prism-core/src/main/java/io/avaje/prism/internal/UtilWriter.java b/prism-core/src/main/java/io/avaje/prism/internal/UtilWriter.java
index 89898ca..cf2d928 100644
--- a/prism-core/src/main/java/io/avaje/prism/internal/UtilWriter.java
+++ b/prism-core/src/main/java/io/avaje/prism/internal/UtilWriter.java
@@ -246,7 +246,7 @@ public static void write(PrintWriter out, String packageName) {
             + "    if (p == -1) {\n"
             + "      return fullResult;\n"
             + "    }\n"
-            + "    return fullResult.substring(0, p);\n"
+            + "    return fullResult.substring(0, p).replace('/', '.');\n"
             + "  }\n"
             + "}\n");
   }