Add generic struct example without any outputs

11 files changed, 1126 insertions, 0 deletions

diff --git a/examples/16-transient-0/output/java/.gitignore b/examples/16-transient-0/output/java/.gitignore
new file mode 100644
index 0000000..2fcf0b8
--- /dev/null
+++ b/examples/16-transient-0/output/java/.gitignore
@@ -0,0 +1,3 @@
+/src/gen/
+/target/
+/transient-0/
diff --git a/examples/16-transient-0/output/java/pom.xml b/examples/16-transient-0/output/java/pom.xml
new file mode 120000
index 0000000..445fa65
--- /dev/null
+++ b/examples/16-transient-0/output/java/pom.xml
@@ -0,0 +1 @@
+../../../templates/java-junit/pom.xml
\ No newline at end of file
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/GenericNative.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/GenericNative.java
new file mode 100644
index 0000000..cfd16d5
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/GenericNative.java
@@ -0,0 +1,3 @@
+package org.zwobble.example.types.data;
+
+public record GenericNative<A, B>(A a, B b) {}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/HobgoblinNativeData.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/HobgoblinNativeData.java
new file mode 100644
index 0000000..32796b5
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/HobgoblinNativeData.java
@@ -0,0 +1,13 @@
+package org.zwobble.example.types.data;
+
+public class HobgoblinNativeData {
+    private HobgoblinNativeData() {}
+
+    public static Native arbitraryNative() {
+        return new Native(0, 0);
+    }
+
+    public static <A, B> GenericNative<A, B> arbitraryGenericNative() {
+        throw new RuntimeException("TODO");
+    }
+}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/Native.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/Native.java
new file mode 100644
index 0000000..366dd74
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/Native.java
@@ -0,0 +1,3 @@
+package org.zwobble.example.types.data;
+
+public record Native(int a, int b) {}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/transient0/HobgoblinTransient0Data.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/transient0/HobgoblinTransient0Data.java
new file mode 100644
index 0000000..1eea54c
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/data/transient0/HobgoblinTransient0Data.java
@@ -0,0 +1,581 @@
+// Generated by hobgoblin.
+
+package org.zwobble.example.types.data.transient0;
+
+// Custom area start: org.zwobble.example.types.data.transient0.HobgoblinTransient0Data imports
+import java.io.InputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.List;
+import java.util.Map;
+import org.zwobble.example.types.data.GenericNative;
+import org.zwobble.example.types.data.Native;
+import org.zwobble.example.types.transient0.Decoder;
+import org.zwobble.example.types.transient0.Encoder;
+import org.zwobble.example.types.transient0.HobgoblinTransient0Builtins;
+import org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue;
+// Custom area end: org.zwobble.example.types.data.transient0.HobgoblinTransient0Data imports
+
+public final class HobgoblinTransient0Data {
+    public static void encodeStructSingleton(org.zwobble.example.types.data.StructSingleton value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+    }
+
+    public static org.zwobble.example.types.data.StructSingleton decodeStructSingleton(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        return org.zwobble.example.types.data.StructSingleton.INSTANCE;
+    }
+
+    public static void encodeStructWithBool(org.zwobble.example.types.data.StructWithBool value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeBool(value.a(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeBool(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithBool decodeStructWithBool(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeBool(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeBool(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithBool(a, b);
+    }
+
+    public static void encodeStructWithInt8(org.zwobble.example.types.data.StructWithInt8 value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt8(value.a(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt8(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithInt8 decodeStructWithInt8(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt8(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt8(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithInt8(a, b);
+    }
+
+    public static void encodeStructWithInt32(org.zwobble.example.types.data.StructWithInt32 value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.a(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithInt32 decodeStructWithInt32(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithInt32(a, b);
+    }
+
+    public static void encodeStructWithInt64(org.zwobble.example.types.data.StructWithInt64 value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(value.a(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithInt64 decodeStructWithInt64(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithInt64(a, b);
+    }
+
+    public static void encodeStructWithString(org.zwobble.example.types.data.StructWithString value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeString(value.a(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeString(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithString decodeStructWithString(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeString(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeString(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithString(a, b);
+    }
+
+    public static void encodeStructWithStruct(org.zwobble.example.types.data.StructWithStruct value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(value.inner(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.c(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithStruct decodeStructWithStruct(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var inner = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+        var c = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithStruct(inner, c);
+    }
+
+    public static void encodeStructWithList(org.zwobble.example.types.data.StructWithList value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64((long) value.a().size(), outputStream, sharedValues);
+        for (var element : value.a()) {
+            org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(element, outputStream, sharedValues);
+        }
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64((long) value.b().size(), outputStream, sharedValues);
+        for (var element : value.b()) {
+            org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(element, outputStream, sharedValues);
+        }
+    }
+
+    public static org.zwobble.example.types.data.StructWithList decodeStructWithList(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a$size = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (a$size > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Lists longer than Integer.MAX_VALUE are not supported");
+        }
+        var a = new java.util.ArrayList<java.lang.Long>((int) a$size);
+        for (long a$index = 0; a$index < a$size; a$index++) {
+            var a$element = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+            a.add(a$element);
+        }
+        var b$size = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (b$size > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Lists longer than Integer.MAX_VALUE are not supported");
+        }
+        var b = new java.util.ArrayList<org.zwobble.example.types.data.StructWithInt32>((int) b$size);
+        for (long b$index = 0; b$index < b$size; b$index++) {
+            var b$element = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+            b.add(b$element);
+        }
+        return new org.zwobble.example.types.data.StructWithList(a, b);
+    }
+
+    public static void encodeStructWithOption(org.zwobble.example.types.data.StructWithOption value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeBool(value.a().isPresent(), outputStream, sharedValues);
+        if (value.a().isPresent()) {
+            org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(value.a().get(), outputStream, sharedValues);
+        }
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeBool(value.b().isPresent(), outputStream, sharedValues);
+        if (value.b().isPresent()) {
+            org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(value.b().get(), outputStream, sharedValues);
+        }
+    }
+
+    public static org.zwobble.example.types.data.StructWithOption decodeStructWithOption(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a$isPresent = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeBool(inputStream, sharedValues);
+        java.util.Optional<java.lang.Long> a;
+        if (a$isPresent) {
+            var a$element = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+            a = java.util.Optional.of(a$element);
+        } else {
+            a = java.util.Optional.empty();
+        }
+        var b$isPresent = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeBool(inputStream, sharedValues);
+        java.util.Optional<org.zwobble.example.types.data.StructWithInt32> b;
+        if (b$isPresent) {
+            var b$element = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+            b = java.util.Optional.of(b$element);
+        } else {
+            b = java.util.Optional.empty();
+        }
+        return new org.zwobble.example.types.data.StructWithOption(a, b);
+    }
+
+    public static void encodeEnumWithVariants(org.zwobble.example.types.data.EnumWithVariants value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.ordinal(), outputStream, sharedValues);
+    }
+
+    private static final org.zwobble.example.types.data.EnumWithVariants[] EnumWithVariants$values = org.zwobble.example.types.data.EnumWithVariants.values();
+
+    public static org.zwobble.example.types.data.EnumWithVariants decodeEnumWithVariants(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var ordinal = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return EnumWithVariants$values[ordinal];
+    }
+
+    public static void encodeStructWithEnum(org.zwobble.example.types.data.StructWithEnum value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeEnumWithVariants(value.inner(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.c(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithEnum decodeStructWithEnum(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var inner = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeEnumWithVariants(inputStream, sharedValues);
+        var c = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithEnum(inner, c);
+    }
+
+    public static void encodeSumWithVariants(org.zwobble.example.types.data.SumWithVariants value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        switch (value) {
+            case org.zwobble.example.types.data.VariantOne value$0 -> {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(0, outputStream, sharedValues);
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeVariantOne(value$0, outputStream, sharedValues);
+            }
+            case org.zwobble.example.types.data.VariantTwo value$1 -> {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(1, outputStream, sharedValues);
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeVariantTwo(value$1, outputStream, sharedValues);
+            }
+        }
+    }
+
+    public static org.zwobble.example.types.data.SumWithVariants decodeSumWithVariants(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var variantTag = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        switch (variantTag) {
+            case 0 -> {
+                var value$0 = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeVariantOne(inputStream, sharedValues);
+                return value$0;
+            }
+            case 1 -> {
+                var value$1 = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeVariantTwo(inputStream, sharedValues);
+                return value$1;
+            }
+            default -> {
+                throw new java.lang.RuntimeException("unexpected data.SumWithVariants variant tag: " + variantTag);
+            }
+        }
+    }
+
+    public static void encodeVariantOne(org.zwobble.example.types.data.VariantOne value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.a(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.VariantOne decodeVariantOne(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.VariantOne(a);
+    }
+
+    public static void encodeVariantTwo(org.zwobble.example.types.data.VariantTwo value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(value.a(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.VariantTwo decodeVariantTwo(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.VariantTwo(a);
+    }
+
+    public static void encodeSumWithBoxedVariants(org.zwobble.example.types.data.SumWithBoxedVariants value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        switch (value) {
+            case org.zwobble.example.types.data.VariantOne value$0 -> {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(0, outputStream, sharedValues);
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeVariantOne(value$0, outputStream, sharedValues);
+            }
+            case org.zwobble.example.types.data.VariantTwo value$1 -> {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(1, outputStream, sharedValues);
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeVariantTwo(value$1, outputStream, sharedValues);
+            }
+        }
+    }
+
+    public static org.zwobble.example.types.data.SumWithBoxedVariants decodeSumWithBoxedVariants(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var variantTag = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        switch (variantTag) {
+            case 0 -> {
+                var value$0 = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeVariantOne(inputStream, sharedValues);
+                return value$0;
+            }
+            case 1 -> {
+                var value$1 = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeVariantTwo(inputStream, sharedValues);
+                return value$1;
+            }
+            default -> {
+                throw new java.lang.RuntimeException("unexpected data.SumWithBoxedVariants variant tag: " + variantTag);
+            }
+        }
+    }
+
+    public static void encodeStructWithSum(org.zwobble.example.types.data.StructWithSum value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeSumWithVariants(value.inner(), outputStream, sharedValues);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt32(value.b(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithSum decodeStructWithSum(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var inner = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeSumWithVariants(inputStream, sharedValues);
+        var b = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithSum(inner, b);
+    }
+
+    public static void encodeStructWithNative(org.zwobble.example.types.data.StructWithNative value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeNative(value.a(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithNative decodeStructWithNative(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeNative(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithNative(a);
+    }
+
+    public static void encodeStructWithGenericNative(org.zwobble.example.types.data.StructWithGenericNative value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeGenericNative(value.a(), outputStream, sharedValues, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::encodeInt32, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::encodeString);
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeGenericNative(value.b(), outputStream, sharedValues, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::encode$constructedType$0, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::encode$constructedType$1);
+    }
+
+    public static org.zwobble.example.types.data.StructWithGenericNative decodeStructWithGenericNative(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeGenericNative(inputStream, sharedValues, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::decodeInt32, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::decodeString);
+        var b = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeGenericNative(inputStream, sharedValues, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::decode$constructedType$0, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::decode$constructedType$1);
+        return new org.zwobble.example.types.data.StructWithGenericNative(a, b);
+    }
+
+    public static void encodeStructWithBox(org.zwobble.example.types.data.StructWithBox value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(value.inner(), outputStream, sharedValues);
+    }
+
+    public static org.zwobble.example.types.data.StructWithBox decodeStructWithBox(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var inner = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+        return new org.zwobble.example.types.data.StructWithBox(inner);
+    }
+
+    public static void encodeStructWithListOfShared(org.zwobble.example.types.data.StructWithListOfShared value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64((long) value.inner().size(), outputStream, sharedValues);
+        for (var element : value.inner()) {
+            {
+                var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, element));
+                if (existingId != null) {
+                    org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+                } else {
+                    org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                    sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, element), (long) sharedValues.size());
+                    org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(element, outputStream, sharedValues);
+                }
+            }
+        }
+    }
+
+    public static org.zwobble.example.types.data.StructWithListOfShared decodeStructWithListOfShared(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var inner$size = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (inner$size > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Lists longer than Integer.MAX_VALUE are not supported");
+        }
+        var inner = new java.util.ArrayList<org.zwobble.example.types.data.StructWithInt32>((int) inner$size);
+        for (long inner$index = 0; inner$index < inner$size; inner$index++) {
+            var inner$element$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+            if (inner$element$id > java.lang.Integer.MAX_VALUE) {
+                throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+            }
+            org.zwobble.example.types.data.StructWithInt32 inner$element;
+            if (inner$element$id < sharedValues.size()) {
+                inner$element = switch (sharedValues.get((int) inner$element$id)) {
+                    case org.zwobble.example.types.data.StructWithInt32 inner$element$decodedValue -> {
+                        yield inner$element$decodedValue;
+                    }
+                    default -> {
+                        throw new java.io.IOException("Shared value was of the wrong type");
+                    }
+                };
+            } else {
+                var inner$element$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+                sharedValues.add(inner$element$decodedValue);
+                inner$element = inner$element$decodedValue;
+            }
+            inner.add(inner$element);
+        }
+        return new org.zwobble.example.types.data.StructWithListOfShared(inner);
+    }
+
+    public static void encodeStructWithDifferentSharedTypes(org.zwobble.example.types.data.StructWithDifferentSharedTypes value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        {
+            var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, value.a()));
+            if (existingId != null) {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+            } else {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, value.a()), (long) sharedValues.size());
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(value.a(), outputStream, sharedValues);
+            }
+        }
+        {
+            var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(1, value.b()));
+            if (existingId != null) {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+            } else {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(1, value.b()), (long) sharedValues.size());
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt64(value.b(), outputStream, sharedValues);
+            }
+        }
+        {
+            var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, value.c()));
+            if (existingId != null) {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+            } else {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(0, value.c()), (long) sharedValues.size());
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeStructWithInt32(value.c(), outputStream, sharedValues);
+            }
+        }
+    }
+
+    public static org.zwobble.example.types.data.StructWithDifferentSharedTypes decodeStructWithDifferentSharedTypes(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (a$id > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+        }
+        org.zwobble.example.types.data.StructWithInt32 a;
+        if (a$id < sharedValues.size()) {
+            a = switch (sharedValues.get((int) a$id)) {
+                case org.zwobble.example.types.data.StructWithInt32 a$decodedValue -> {
+                    yield a$decodedValue;
+                }
+                default -> {
+                    throw new java.io.IOException("Shared value was of the wrong type");
+                }
+            };
+        } else {
+            var a$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+            sharedValues.add(a$decodedValue);
+            a = a$decodedValue;
+        }
+        var b$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (b$id > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+        }
+        org.zwobble.example.types.data.StructWithInt64 b;
+        if (b$id < sharedValues.size()) {
+            b = switch (sharedValues.get((int) b$id)) {
+                case org.zwobble.example.types.data.StructWithInt64 b$decodedValue -> {
+                    yield b$decodedValue;
+                }
+                default -> {
+                    throw new java.io.IOException("Shared value was of the wrong type");
+                }
+            };
+        } else {
+            var b$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt64(inputStream, sharedValues);
+            sharedValues.add(b$decodedValue);
+            b = b$decodedValue;
+        }
+        var c$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (c$id > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+        }
+        org.zwobble.example.types.data.StructWithInt32 c;
+        if (c$id < sharedValues.size()) {
+            c = switch (sharedValues.get((int) c$id)) {
+                case org.zwobble.example.types.data.StructWithInt32 c$decodedValue -> {
+                    yield c$decodedValue;
+                }
+                default -> {
+                    throw new java.io.IOException("Shared value was of the wrong type");
+                }
+            };
+        } else {
+            var c$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeStructWithInt32(inputStream, sharedValues);
+            sharedValues.add(c$decodedValue);
+            c = c$decodedValue;
+        }
+        return new org.zwobble.example.types.data.StructWithDifferentSharedTypes(a, b, c);
+    }
+
+    public static void encodeStructWithSharedSumAndVariant(org.zwobble.example.types.data.StructWithSharedSumAndVariant value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        {
+            var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(2, value.a()));
+            if (existingId != null) {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+            } else {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(2, value.a()), (long) sharedValues.size());
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeSumWithVariants(value.a(), outputStream, sharedValues);
+            }
+        }
+        {
+            var existingId = sharedValues.get(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(3, value.b()));
+            if (existingId != null) {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(existingId, outputStream, sharedValues);
+            } else {
+                org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64(sharedValues.size(), outputStream, sharedValues);
+                sharedValues.put(new org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue(3, value.b()), (long) sharedValues.size());
+                org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeVariantOne(value.b(), outputStream, sharedValues);
+            }
+        }
+    }
+
+    public static org.zwobble.example.types.data.StructWithSharedSumAndVariant decodeStructWithSharedSumAndVariant(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var a$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (a$id > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+        }
+        org.zwobble.example.types.data.SumWithVariants a;
+        if (a$id < sharedValues.size()) {
+            a = switch (sharedValues.get((int) a$id)) {
+                case org.zwobble.example.types.data.SumWithVariants a$decodedValue -> {
+                    yield a$decodedValue;
+                }
+                default -> {
+                    throw new java.io.IOException("Shared value was of the wrong type");
+                }
+            };
+        } else {
+            var a$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeSumWithVariants(inputStream, sharedValues);
+            sharedValues.add(a$decodedValue);
+            a = a$decodedValue;
+        }
+        var b$id = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (b$id > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Shared value IDs greater than Integer.MAX_VALUE are not supported");
+        }
+        org.zwobble.example.types.data.VariantOne b;
+        if (b$id < sharedValues.size()) {
+            b = switch (sharedValues.get((int) b$id)) {
+                case org.zwobble.example.types.data.VariantOne b$decodedValue -> {
+                    yield b$decodedValue;
+                }
+                default -> {
+                    throw new java.io.IOException("Shared value was of the wrong type");
+                }
+            };
+        } else {
+            var b$decodedValue = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeVariantOne(inputStream, sharedValues);
+            sharedValues.add(b$decodedValue);
+            b = b$decodedValue;
+        }
+        return new org.zwobble.example.types.data.StructWithSharedSumAndVariant(a, b);
+    }
+
+    private static void encode$constructedType$0(java.util.Optional<String> value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeBool(value.isPresent(), outputStream, sharedValues);
+        if (value.isPresent()) {
+            org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeString(value.get(), outputStream, sharedValues);
+        }
+    }
+
+    private static java.util.Optional<String> decode$constructedType$0(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var value$isPresent = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeBool(inputStream, sharedValues);
+        java.util.Optional<String> value;
+        if (value$isPresent) {
+            var value$element = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeString(inputStream, sharedValues);
+            value = java.util.Optional.of(value$element);
+        } else {
+            value = java.util.Optional.empty();
+        }
+        return value;
+    }
+
+    private static void encode$constructedType$1(org.zwobble.example.types.data.GenericNative<java.util.Optional<String>, org.zwobble.example.types.data.GenericNative<String, String>> value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeGenericNative(value, outputStream, sharedValues, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::encode$constructedType$0, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::encode$constructedType$2);
+    }
+
+    private static org.zwobble.example.types.data.GenericNative<java.util.Optional<String>, org.zwobble.example.types.data.GenericNative<String, String>> decode$constructedType$1(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var value = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeGenericNative(inputStream, sharedValues, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::decode$constructedType$0, org.zwobble.example.types.data.transient0.HobgoblinTransient0Data::decode$constructedType$2);
+        return value;
+    }
+
+    private static void encode$constructedType$2(org.zwobble.example.types.data.GenericNative<String, String> value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.encodeGenericNative(value, outputStream, sharedValues, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::encodeString, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::encodeString);
+    }
+
+    private static org.zwobble.example.types.data.GenericNative<String, String> decode$constructedType$2(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var value = org.zwobble.example.types.data.transient0.HobgoblinTransient0Data.decodeGenericNative(inputStream, sharedValues, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::decodeString, org.zwobble.example.types.transient0.HobgoblinTransient0Builtins::decodeString);
+        return value;
+    }
+
+    // Custom area start: org.zwobble.example.types.data.transient0.HobgoblinTransient0Data body
+    public static void encodeNative(
+        Native value,
+        OutputStream outputStream,
+        Map<HobgoblinTransient0TaggedSharedValue, Long> sharedValues
+    ) throws IOException {
+        HobgoblinTransient0Builtins.encodeInt32(value.a(), outputStream, sharedValues);
+        HobgoblinTransient0Builtins.encodeInt32(value.b(), outputStream, sharedValues);
+    }
+
+    public static Native decodeNative(
+        InputStream inputStream,
+        List<Object> sharedValues
+    ) throws IOException {
+        var a = HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        var b = HobgoblinTransient0Builtins.decodeInt32(inputStream, sharedValues);
+        return new Native(a, b);
+    }
+
+    public static <A, B> void encodeGenericNative(
+        GenericNative<A, B> value,
+        OutputStream outputStream,
+        Map<HobgoblinTransient0TaggedSharedValue, Long> sharedValues,
+        Encoder<A> encoderA,
+        Encoder<B> encoderB
+    ) throws IOException {
+        encoderA.encode(value.a(), outputStream, sharedValues);
+        encoderB.encode(value.b(), outputStream, sharedValues);
+    }
+
+    public static <A, B> GenericNative<A, B> decodeGenericNative(
+        InputStream inputStream,
+        List<Object> sharedValues,
+        Decoder<A> decoderA,
+        Decoder<B> decoderB
+    ) throws IOException {
+        var a = decoderA.decode(inputStream, sharedValues);
+        var b = decoderB.decode(inputStream, sharedValues);
+        return new GenericNative(a, b);
+    }
+    // Custom area end: org.zwobble.example.types.data.transient0.HobgoblinTransient0Data body
+}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Decoder.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Decoder.java
new file mode 100644
index 0000000..ad1a6d0
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Decoder.java
@@ -0,0 +1,13 @@
+// Generated by hobgoblin.
+
+package org.zwobble.example.types.transient0;
+
+// Custom area start: org.zwobble.example.types.transient0.Decoder imports
+// Custom area end: org.zwobble.example.types.transient0.Decoder imports
+
+public interface Decoder<T> {
+    public T decode(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException;
+
+    // Custom area start: org.zwobble.example.types.transient0.Decoder body
+    // Custom area end: org.zwobble.example.types.transient0.Decoder body
+}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Encoder.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Encoder.java
new file mode 100644
index 0000000..2ba43a6
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/Encoder.java
@@ -0,0 +1,13 @@
+// Generated by hobgoblin.
+
+package org.zwobble.example.types.transient0;
+
+// Custom area start: org.zwobble.example.types.transient0.Encoder imports
+// Custom area end: org.zwobble.example.types.transient0.Encoder imports
+
+public interface Encoder<T> {
+    public void encode(T value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException;
+
+    // Custom area start: org.zwobble.example.types.transient0.Encoder body
+    // Custom area end: org.zwobble.example.types.transient0.Encoder body
+}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0Builtins.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0Builtins.java
new file mode 100644
index 0000000..293aee7
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0Builtins.java
@@ -0,0 +1,82 @@
+// Generated by hobgoblin.
+
+package org.zwobble.example.types.transient0;
+
+// Custom area start: org.zwobble.example.types.transient0.HobgoblinTransient0Builtins imports
+// Custom area end: org.zwobble.example.types.transient0.HobgoblinTransient0Builtins imports
+
+public final class HobgoblinTransient0Builtins {
+    public static void encodeBool(boolean value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        outputStream.write(value ? 1 : 0);
+    }
+
+    public static boolean decodeBool(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        return inputStream.read() != 0;
+    }
+
+    public static void encodeInt8(byte value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        outputStream.write(value);
+    }
+
+    public static byte decodeInt8(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        return (byte) inputStream.read();
+    }
+
+    public static void encodeInt32(int value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        outputStream.write(value >>> 0 & 255);
+        outputStream.write(value >>> 8 & 255);
+        outputStream.write(value >>> 16 & 255);
+        outputStream.write(value >>> 24 & 255);
+    }
+
+    public static int decodeInt32(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        int value = 0;
+        value = value | inputStream.read() << 0;
+        value = value | inputStream.read() << 8;
+        value = value | inputStream.read() << 16;
+        value = value | inputStream.read() << 24;
+        return value;
+    }
+
+    public static void encodeInt64(long value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        outputStream.write((int) (value >>> 0 & 255));
+        outputStream.write((int) (value >>> 8 & 255));
+        outputStream.write((int) (value >>> 16 & 255));
+        outputStream.write((int) (value >>> 24 & 255));
+        outputStream.write((int) (value >>> 32 & 255));
+        outputStream.write((int) (value >>> 40 & 255));
+        outputStream.write((int) (value >>> 48 & 255));
+        outputStream.write((int) (value >>> 56 & 255));
+    }
+
+    public static long decodeInt64(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        long value = 0;
+        value = value | inputStream.read() << 0;
+        value = value | inputStream.read() << 8;
+        value = value | inputStream.read() << 16;
+        value = value | inputStream.read() << 24;
+        value = value | inputStream.read() << 32;
+        value = value | inputStream.read() << 40;
+        value = value | inputStream.read() << 48;
+        value = value | inputStream.read() << 56;
+        return value;
+    }
+
+    public static void encodeString(String value, java.io.OutputStream outputStream, java.util.Map<org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue, java.lang.Long> sharedValues) throws java.io.IOException {
+        var bytes = value.getBytes(java.nio.charset.StandardCharsets.UTF_8);
+        org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.encodeInt64((long) bytes.length, outputStream, sharedValues);
+        outputStream.write(bytes);
+    }
+
+    public static String decodeString(java.io.InputStream inputStream, java.util.List<java.lang.Object> sharedValues) throws java.io.IOException {
+        var bytesLength = org.zwobble.example.types.transient0.HobgoblinTransient0Builtins.decodeInt64(inputStream, sharedValues);
+        if (bytesLength > java.lang.Integer.MAX_VALUE) {
+            throw new java.io.IOException("Strings longer than Integer.MAX_VALUE are not supported");
+        }
+        var bytes = inputStream.readNBytes((int) bytesLength);
+        return new String(bytes, java.nio.charset.StandardCharsets.UTF_8);
+    }
+
+    // Custom area start: org.zwobble.example.types.transient0.HobgoblinTransient0Builtins body
+    // Custom area end: org.zwobble.example.types.transient0.HobgoblinTransient0Builtins body
+}
diff --git a/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0TaggedSharedValue.java b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0TaggedSharedValue.java
new file mode 100644
index 0000000..6c5b520
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/main/java/org/zwobble/example/types/transient0/HobgoblinTransient0TaggedSharedValue.java
@@ -0,0 +1,22 @@
+// Generated by hobgoblin.
+
+package org.zwobble.example.types.transient0;
+
+// Custom area start: org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue imports
+// Custom area end: org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue imports
+
+public record HobgoblinTransient0TaggedSharedValue(
+    long typeId,
+    java.lang.Object value
+) {
+    public boolean equals(java.lang.Object other) {
+        return other instanceof org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue otherSharedValue && this.typeId == otherSharedValue.typeId && this.value == otherSharedValue.value;
+    }
+
+    public int hashCode() {
+        return 37 * (37 * 17 + java.lang.Long.hashCode(this.typeId)) + java.lang.System.identityHashCode(this.value);
+    }
+
+    // Custom area start: org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue body
+    // Custom area end: org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue body
+}
diff --git a/examples/16-transient-0/output/java/src/test/java/org/zwobble/example/Transient0Tests.java b/examples/16-transient-0/output/java/src/test/java/org/zwobble/example/Transient0Tests.java
new file mode 100644
index 0000000..ba43aed
--- /dev/null
+++ b/examples/16-transient-0/output/java/src/test/java/org/zwobble/example/Transient0Tests.java
@@ -0,0 +1,392 @@
+package org.zwobble.example;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+import org.zwobble.example.types.data.EnumWithVariants;
+import org.zwobble.example.types.data.GenericNative;
+import org.zwobble.example.types.data.Native;
+import org.zwobble.example.types.data.StructSingleton;
+import org.zwobble.example.types.data.StructWithBool;
+import org.zwobble.example.types.data.StructWithBox;
+import org.zwobble.example.types.data.StructWithDifferentSharedTypes;
+import org.zwobble.example.types.data.StructWithEnum;
+import org.zwobble.example.types.data.StructWithGenericNative;
+import org.zwobble.example.types.data.StructWithInt8;
+import org.zwobble.example.types.data.StructWithInt32;
+import org.zwobble.example.types.data.StructWithInt64;
+import org.zwobble.example.types.data.StructWithList;
+import org.zwobble.example.types.data.StructWithListOfShared;
+import org.zwobble.example.types.data.StructWithNative;
+import org.zwobble.example.types.data.StructWithOption;
+import org.zwobble.example.types.data.StructWithSharedSumAndVariant;
+import org.zwobble.example.types.data.StructWithString;
+import org.zwobble.example.types.data.StructWithStruct;
+import org.zwobble.example.types.data.StructWithSum;
+import org.zwobble.example.types.data.VariantOne;
+import org.zwobble.example.types.data.VariantTwo;
+import org.zwobble.example.types.data.transient0.HobgoblinTransient0Data;
+import org.zwobble.example.types.transient0.HobgoblinTransient0TaggedSharedValue;
+
+public class Transient0Tests {
+    @Test
+    public void structSingleton() throws IOException {
+        var value = StructSingleton.INSTANCE;
+
+        assertRoundTripEncoding(
+            "StructSingleton",
+            value,
+            HobgoblinTransient0Data::encodeStructSingleton,
+            HobgoblinTransient0Data::decodeStructSingleton
+        );
+    }
+
+    @Test
+    public void structWithBool() throws IOException {
+        var value = new StructWithBool(true, false);
+
+        assertRoundTripEncoding(
+            "StructWithBool",
+            value,
+            HobgoblinTransient0Data::encodeStructWithBool,
+            HobgoblinTransient0Data::decodeStructWithBool
+        );
+    }
+
+    @Test
+    public void structWithInt8() throws IOException {
+        var value = new StructWithInt8((byte)10, (byte)25);
+
+        assertRoundTripEncoding(
+            "StructWithInt8",
+            value,
+            HobgoblinTransient0Data::encodeStructWithInt8,
+            HobgoblinTransient0Data::decodeStructWithInt8
+        );
+    }
+
+    @Test
+    public void structWithInt32() throws IOException {
+        var value = new StructWithInt32(10, 25);
+
+        assertRoundTripEncoding(
+            "StructWithInt32",
+            value,
+            HobgoblinTransient0Data::encodeStructWithInt32,
+            HobgoblinTransient0Data::decodeStructWithInt32
+        );
+    }
+
+    @Test
+    public void structWithInt64() throws IOException {
+        var value = new StructWithInt64(10, 25);
+
+        assertRoundTripEncoding(
+            "StructWithInt64",
+            value,
+            HobgoblinTransient0Data::encodeStructWithInt64,
+            HobgoblinTransient0Data::decodeStructWithInt64
+        );
+    }
+
+    @Test
+    public void structWithString() throws IOException {
+        var value = new StructWithString("abc", "def");
+
+        assertRoundTripEncoding(
+            "StructWithString",
+            value,
+            HobgoblinTransient0Data::encodeStructWithString,
+            HobgoblinTransient0Data::decodeStructWithString
+        );
+    }
+
+    @Test
+    public void structWithStruct() throws IOException {
+        var value = new StructWithStruct(new StructWithInt32(10, 25), 42);
+
+        assertRoundTripEncoding(
+            "StructWithStruct",
+            value,
+            HobgoblinTransient0Data::encodeStructWithStruct,
+            HobgoblinTransient0Data::decodeStructWithStruct
+        );
+    }
+
+    @Test
+    public void structWithList() throws IOException {
+        var value = new StructWithList(
+            List.of(10L, 25L),
+            List.of(
+                new StructWithInt32(42, 47),
+                new StructWithInt32(52, 57),
+                new StructWithInt32(62, 67)
+            )
+        );
+
+        assertRoundTripEncoding(
+            "StructWithList",
+            value,
+            HobgoblinTransient0Data::encodeStructWithList,
+            HobgoblinTransient0Data::decodeStructWithList
+        );
+    }
+
+    @Test
+    public void structWithOptionNone() throws IOException {
+        var value = new StructWithOption(
+            Optional.empty(),
+            Optional.empty()
+        );
+
+        assertRoundTripEncoding(
+            "StructWithOption_None",
+            value,
+            HobgoblinTransient0Data::encodeStructWithOption,
+            HobgoblinTransient0Data::decodeStructWithOption
+        );
+    }
+
+    @Test
+    public void structWithOptionSome() throws IOException {
+        var value = new StructWithOption(
+            Optional.of(10L),
+            Optional.of(new StructWithInt32(42, 47))
+        );
+
+        assertRoundTripEncoding(
+            "StructWithOption_Some",
+            value,
+            HobgoblinTransient0Data::encodeStructWithOption,
+            HobgoblinTransient0Data::decodeStructWithOption
+        );
+    }
+
+    @Test
+    public void enumWithVariants() throws IOException {
+        assertRoundTripEncoding(
+            "EnumWithVariants_zero",
+            EnumWithVariants.ZERO,
+            HobgoblinTransient0Data::encodeEnumWithVariants,
+            HobgoblinTransient0Data::decodeEnumWithVariants
+        );
+
+        assertRoundTripEncoding(
+            "EnumWithVariants_one",
+            EnumWithVariants.ONE,
+            HobgoblinTransient0Data::encodeEnumWithVariants,
+            HobgoblinTransient0Data::decodeEnumWithVariants
+        );
+
+        assertRoundTripEncoding(
+            "EnumWithVariants_two",
+            EnumWithVariants.TWO,
+            HobgoblinTransient0Data::encodeEnumWithVariants,
+            HobgoblinTransient0Data::decodeEnumWithVariants
+        );
+    }
+
+    @Test
+    public void structWithEnum() throws IOException {
+        var value = new StructWithEnum(
+            EnumWithVariants.ONE,
+            42
+        );
+
+        assertRoundTripEncoding(
+            "StructWithEnum",
+            value,
+            HobgoblinTransient0Data::encodeStructWithEnum,
+            HobgoblinTransient0Data::decodeStructWithEnum
+        );
+    }
+
+    @Test
+    public void sumWithVariants() throws IOException {
+        assertRoundTripEncoding(
+            "SumWithVariants_VariantOne",
+            new VariantOne(10),
+            HobgoblinTransient0Data::encodeSumWithVariants,
+            HobgoblinTransient0Data::decodeSumWithVariants
+        );
+
+        assertRoundTripEncoding(
+            "SumWithVariants_VariantTwo",
+            new VariantTwo(25),
+            HobgoblinTransient0Data::encodeSumWithVariants,
+            HobgoblinTransient0Data::decodeSumWithVariants
+        );
+    }
+
+    @Test
+    public void sumWithBoxedVariants() throws IOException {
+        assertRoundTripEncoding(
+            "SumWithBoxedVariants_VariantOne",
+            new VariantOne(10),
+            HobgoblinTransient0Data::encodeSumWithBoxedVariants,
+            HobgoblinTransient0Data::decodeSumWithBoxedVariants
+        );
+
+        assertRoundTripEncoding(
+            "SumWithBoxedVariants_VariantTwo",
+            new VariantTwo(25),
+            HobgoblinTransient0Data::encodeSumWithBoxedVariants,
+            HobgoblinTransient0Data::decodeSumWithBoxedVariants
+        );
+    }
+
+    @Test
+    public void structWithSum() throws IOException {
+        var value = new StructWithSum(
+            new VariantTwo(25),
+            42
+        );
+
+        assertRoundTripEncoding(
+            "StructWithSum",
+            value,
+            HobgoblinTransient0Data::encodeStructWithSum,
+            HobgoblinTransient0Data::decodeStructWithSum
+        );
+    }
+
+    @Test
+    public void structWithNative() throws IOException {
+        var value = new StructWithNative(
+            new Native(10, 25)
+        );
+
+        assertRoundTripEncoding(
+            "StructWithNative",
+            value,
+            HobgoblinTransient0Data::encodeStructWithNative,
+            HobgoblinTransient0Data::decodeStructWithNative
+        );
+    }
+
+    @Test
+    public void structWithGenericNative() throws IOException {
+        var value = new StructWithGenericNative(
+            new GenericNative(10, "x1"),
+            new GenericNative(
+                Optional.of("x2"),
+                new GenericNative(
+                    Optional.of("x3"),
+                    new GenericNative("x4", "x5")
+                )
+            )
+        );
+
+        assertRoundTripEncoding(
+            "StructWithGenericNative",
+            value,
+            HobgoblinTransient0Data::encodeStructWithGenericNative,
+            HobgoblinTransient0Data::decodeStructWithGenericNative
+        );
+    }
+
+    @Test
+    public void structWithBox() throws IOException {
+        var value = new StructWithBox(
+            new StructWithInt32(10, 25)
+        );
+
+        assertRoundTripEncoding(
+            "StructWithBox",
+            value,
+            HobgoblinTransient0Data::encodeStructWithBox,
+            HobgoblinTransient0Data::decodeStructWithBox
+        );
+    }
+
+    @Test
+    public void structWithListOfShared() throws IOException {
+        var a = new StructWithInt32(10, 25);
+        var b = new StructWithInt32(42, 47);
+
+        var value = new StructWithListOfShared(List.of(a, a, b, a, b));
+
+        var decodedValue = assertRoundTripEncoding(
+            "StructWithListOfShared",
+            value,
+            HobgoblinTransient0Data::encodeStructWithListOfShared,
+            HobgoblinTransient0Data::decodeStructWithListOfShared
+        );
+        Assertions.assertSame(decodedValue.inner().get(0), decodedValue.inner().get(1));
+        Assertions.assertSame(decodedValue.inner().get(0), decodedValue.inner().get(3));
+        Assertions.assertSame(decodedValue.inner().get(2), decodedValue.inner().get(4));
+    }
+
+    @Test
+    public void structWithDifferentSharedTypes() throws IOException {
+        var a = new StructWithInt32(10, 25);
+        var b = new StructWithInt64(42, 47);
+        var c = new StructWithInt32(52, 57);
+
+        var value = new StructWithDifferentSharedTypes(a, b, c);
+
+        assertRoundTripEncoding(
+            "StructWithDifferentSharedTypes",
+            value,
+            HobgoblinTransient0Data::encodeStructWithDifferentSharedTypes,
+            HobgoblinTransient0Data::decodeStructWithDifferentSharedTypes
+        );
+    }
+
+    @Test
+    public void structWithSharedSumAndVariant() throws IOException {
+        var a = new VariantOne(10);
+
+        var value = new StructWithSharedSumAndVariant(a, a);
+
+        assertRoundTripEncoding(
+            "StructWithSharedSumAndVariant",
+            value,
+            HobgoblinTransient0Data::encodeStructWithSharedSumAndVariant,
+            HobgoblinTransient0Data::decodeStructWithSharedSumAndVariant
+        );
+    }
+
+    private <T> T assertRoundTripEncoding(
+        String name,
+        T value,
+        Encoder<T> encoder,
+        Decoder<T> decoder
+    ) throws IOException {
+        var outputStream = new ByteArrayOutputStream();
+        encoder.encode(value, outputStream, new HashMap<>());
+        var bytes = outputStream.toByteArray();
+
+        var outputDir = System.getenv("HOBGOBLIN_OUTPUT_DIR");
+        var transient0OutputDir = Path.of(outputDir).resolve("transient-0");
+        Files.createDirectories(transient0OutputDir);
+        var transient0OutputPath = transient0OutputDir.resolve(name);
+        Files.write(transient0OutputPath, bytes);
+
+        var inputStream = new ByteArrayInputStream(bytes);
+        var decodedValue = decoder.decode(inputStream, new ArrayList<>());
+
+        Assertions.assertEquals(value, decodedValue);
+
+        return decodedValue;
+    }
+
+    private interface Encoder<T> {
+        void encode(T value, OutputStream outputStream, Map<HobgoblinTransient0TaggedSharedValue, Long> sharedValues) throws IOException;
+    }
+
+    private interface Decoder<T> {
+        T decode(InputStream inputStream, List<Object> sharedValues) throws IOException;
+    }
+}