diff --git a/projects/jdwp/codegen/new_type_generator.py b/projects/jdwp/codegen/new_type_generator.py
new file mode 100644
index 0000000..8f74a0e
--- /dev/null
+++ b/projects/jdwp/codegen/new_type_generator.py
@@ -0,0 +1,26 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+from projects.jdwp.defs.schema import PrimitiveType
+import typing
+
+
+def get_python_type(jdwp_type: PrimitiveType) -> str:
+    """Map JDWP type to Python type."""
+    mapping = {
+        PrimitiveType.STRING: "str",
+        PrimitiveType.BOOLEAN: "bool",
+    }
+    return mapping.get(jdwp_type, "int")
+
+
+def get_type_alias_definition(jdwp_type: PrimitiveType) -> str:
+    """Return the type alias definition for a given JDWP type."""
+    python_type = get_python_type(jdwp_type)
+    new_type_name = f"{jdwp_type.name.capitalize()}Type"
+    return f"{new_type_name} = typing.NewType('{new_type_name}', {python_type})"
+
+
+def generate_new_types():
+    for jdwp_type in PrimitiveType:
+        type_alias_definition = get_type_alias_definition(jdwp_type)
+        print(type_alias_definition)
diff --git a/projects/jdwp/tests/test_primitve_type.py b/projects/jdwp/tests/test_primitve_type.py
new file mode 100644
index 0000000..a44b2f9
--- /dev/null
+++ b/projects/jdwp/tests/test_primitve_type.py
@@ -0,0 +1,19 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+import unittest
+from projects.jdwp.codegen.new_type_generator import get_python_type
+from projects.jdwp.defs.schema import PrimitiveType
+
+
+class TestEnumMemberMapping(unittest.TestCase):
+    def test_enum_member_mappings(self):
+        for jdwp_type in PrimitiveType:
+            with self.subTest(jdwp_type=jdwp_type):
+                result = get_python_type(jdwp_type)
+                self.assertIsInstance(
+                    result, str, f"Mapping for {jdwp_type} is missing or not a string"
+                )
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/projects/jdwp/tests/test_type_alias_definition.py b/projects/jdwp/tests/test_type_alias_definition.py
new file mode 100644
index 0000000..7087ac3
--- /dev/null
+++ b/projects/jdwp/tests/test_type_alias_definition.py
@@ -0,0 +1,28 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+
+import unittest
+from projects.jdwp.defs.schema import PrimitiveType
+from projects.jdwp.codegen.new_type_generator import get_type_alias_definition
+
+
+class TestTypeAliasDefinition(unittest.TestCase):
+    def test_specific_type_alias_definitions(self):
+        expected_string_type_definition = (
+            "StringType = typing.NewType('StringType', str)"
+        )
+        self.assertEqual(
+            get_type_alias_definition(PrimitiveType.STRING),
+            expected_string_type_definition,
+        )
+
+        expected_boolean_type_definition = (
+            "BooleanType = typing.NewType('BooleanType', bool)"
+        )
+        self.assertEqual(
+            get_type_alias_definition(PrimitiveType.BOOLEAN),
+            expected_boolean_type_definition,
+        )
+
+
+if __name__ == "__main__":
+    unittest.main()