Track new JavaPoet group and package name

Rename the existing interop module to javapoet-deprecated and
introduce a new module called javapoet that integrates with
the Palantir JavaPoet fork.

docs/interop-javapoet.md

@@ -1,7 +1,7 @@
 JavaPoet Extensions for KotlinPoet
 ==================================
 
-`interop:javapoet` is an interop API for converting [JavaPoet](https://github.com/square/javapoet)
+`interop:javapoet` is an interop API for converting [JavaPoet](https://github.com/palantir/javapoet)
 types to KotlinPoet types. This is particularly useful for projects that support code gen in
 multiple languages and want to easily be able to jump between.
 
@@ -15,7 +15,7 @@ in to the `@KotlinPoetJavaPoetPreview` annotation.
 ```kotlin
 // Points to com.squareup.kotlinpoet.TypeName
 KTypeName
-// Points to com.squareup.javapoet.TypeName
+// Points to com.palantir.javapoet.TypeName
 JTypeName
 ```
 

gradle/libs.versions.toml

@@ -30,7 +30,8 @@ kotlinBinaryCompatibilityValidator = { id = "org.jetbrains.kotlinx.binary-compat
 [libraries]
 autoCommon = { module = "com.google.auto:auto-common", version = "1.2.2" }
 guava = { module = "com.google.guava:guava", version = "33.3.1-jre" }
-javapoet = "com.squareup:javapoet:1.13.0"
+javapoet-deprecated = "com.squareup:javapoet:1.13.0"
+javapoet = "com.palantir.javapoet:javapoet:0.5.0"
 
 autoService = "com.google.auto.service:auto-service-annotations:1.1.1"
 autoService-ksp = "dev.zacsweers.autoservice:auto-service-ksp:1.2.0"

interop/javapoet-deprecated/api/javapoet-deprecated.api

@@ -0,0 +1,22 @@
+public final class com/squareup/kotlinpoet/javapoet/J2kInteropKt {
+	public static final fun toKClassName (Lcom/squareup/javapoet/ClassName;)Lcom/squareup/kotlinpoet/ClassName;
+	public static final fun toKParameterizedTypeName (Lcom/squareup/javapoet/ParameterizedTypeName;)Lcom/squareup/kotlinpoet/ParameterizedTypeName;
+	public static final fun toKTypeName (Lcom/squareup/javapoet/TypeName;)Lcom/squareup/kotlinpoet/TypeName;
+	public static final fun toKTypeVariableName (Lcom/squareup/javapoet/TypeVariableName;)Lcom/squareup/kotlinpoet/TypeVariableName;
+	public static final fun toKWildcardTypeName (Lcom/squareup/javapoet/WildcardTypeName;)Lcom/squareup/kotlinpoet/WildcardTypeName;
+}
+
+public final class com/squareup/kotlinpoet/javapoet/K2jInteropKt {
+	public static final fun toJClassName (Lcom/squareup/kotlinpoet/ClassName;Z)Lcom/squareup/javapoet/TypeName;
+	public static synthetic fun toJClassName$default (Lcom/squareup/kotlinpoet/ClassName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJParameterizedOrArrayTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJParameterizedTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/ParameterizedTypeName;
+	public static final fun toJTypeName (Lcom/squareup/kotlinpoet/TypeName;Z)Lcom/squareup/javapoet/TypeName;
+	public static synthetic fun toJTypeName$default (Lcom/squareup/kotlinpoet/TypeName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJTypeVariableName (Lcom/squareup/kotlinpoet/TypeVariableName;)Lcom/squareup/javapoet/TypeVariableName;
+	public static final fun toJWildcardTypeName (Lcom/squareup/kotlinpoet/WildcardTypeName;)Lcom/squareup/javapoet/WildcardTypeName;
+}
+
+public abstract interface annotation class com/squareup/kotlinpoet/javapoet/KotlinPoetJavaPoetPreview : java/lang/annotation/Annotation {
+}
+

interop/javapoet-deprecated/api/javapoet.api

@@ -0,0 +1,22 @@
+public final class com/squareup/kotlinpoet/javapoet/J2kInteropKt {
+	public static final fun toKClassName (Lcom/squareup/javapoet/ClassName;)Lcom/squareup/kotlinpoet/ClassName;
+	public static final fun toKParameterizedTypeName (Lcom/squareup/javapoet/ParameterizedTypeName;)Lcom/squareup/kotlinpoet/ParameterizedTypeName;
+	public static final fun toKTypeName (Lcom/squareup/javapoet/TypeName;)Lcom/squareup/kotlinpoet/TypeName;
+	public static final fun toKTypeVariableName (Lcom/squareup/javapoet/TypeVariableName;)Lcom/squareup/kotlinpoet/TypeVariableName;
+	public static final fun toKWildcardTypeName (Lcom/squareup/javapoet/WildcardTypeName;)Lcom/squareup/kotlinpoet/WildcardTypeName;
+}
+
+public final class com/squareup/kotlinpoet/javapoet/K2jInteropKt {
+	public static final fun toJClassName (Lcom/squareup/kotlinpoet/ClassName;Z)Lcom/squareup/javapoet/TypeName;
+	public static synthetic fun toJClassName$default (Lcom/squareup/kotlinpoet/ClassName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJParameterizedOrArrayTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJParameterizedTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/ParameterizedTypeName;
+	public static final fun toJTypeName (Lcom/squareup/kotlinpoet/TypeName;Z)Lcom/squareup/javapoet/TypeName;
+	public static synthetic fun toJTypeName$default (Lcom/squareup/kotlinpoet/TypeName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
+	public static final fun toJTypeVariableName (Lcom/squareup/kotlinpoet/TypeVariableName;)Lcom/squareup/javapoet/TypeVariableName;
+	public static final fun toJWildcardTypeName (Lcom/squareup/kotlinpoet/WildcardTypeName;)Lcom/squareup/javapoet/WildcardTypeName;
+}
+
+public abstract interface annotation class com/squareup/kotlinpoet/javapoet/KotlinPoetJavaPoetPreview : java/lang/annotation/Annotation {
+}
+

interop/javapoet-deprecated/build.gradle.kts

@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2021 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+plugins {
+  kotlin("jvm")
+}
+
+tasks.jar {
+  manifest {
+    attributes("Automatic-Module-Name" to "com.squareup.kotlinpoet.javapoet")
+  }
+}
+
+dependencies {
+  api(projects.kotlinpoet)
+  api(libs.javapoet.deprecated)
+  testImplementation(libs.kotlin.junit)
+  testImplementation(libs.truth)
+}

interop/javapoet-deprecated/gradle.properties

@@ -0,0 +1,4 @@
+POM_ARTIFACT_ID=kotlinpoet-javapoet
+POM_NAME=KotlinPoet (JavaPoet Interop)
+POM_DESCRIPTION=Extensions for interop with JavaPoet.
+POM_PACKAGING=jar

interop/javapoet/api/javapoet.api

@@ -1,22 +1,22 @@
-public final class com/squareup/kotlinpoet/javapoet/J2kInteropKt {
-	public static final fun toKClassName (Lcom/squareup/javapoet/ClassName;)Lcom/squareup/kotlinpoet/ClassName;
-	public static final fun toKParameterizedTypeName (Lcom/squareup/javapoet/ParameterizedTypeName;)Lcom/squareup/kotlinpoet/ParameterizedTypeName;
-	public static final fun toKTypeName (Lcom/squareup/javapoet/TypeName;)Lcom/squareup/kotlinpoet/TypeName;
-	public static final fun toKTypeVariableName (Lcom/squareup/javapoet/TypeVariableName;)Lcom/squareup/kotlinpoet/TypeVariableName;
-	public static final fun toKWildcardTypeName (Lcom/squareup/javapoet/WildcardTypeName;)Lcom/squareup/kotlinpoet/WildcardTypeName;
+public final class com/squareup/kotlinpoet/palantirjavapoet/J2kInteropKt {
+	public static final fun toKClassName (Lcom/palantir/javapoet/ClassName;)Lcom/squareup/kotlinpoet/ClassName;
+	public static final fun toKParameterizedTypeName (Lcom/palantir/javapoet/ParameterizedTypeName;)Lcom/squareup/kotlinpoet/ParameterizedTypeName;
+	public static final fun toKTypeName (Lcom/palantir/javapoet/TypeName;)Lcom/squareup/kotlinpoet/TypeName;
+	public static final fun toKTypeVariableName (Lcom/palantir/javapoet/TypeVariableName;)Lcom/squareup/kotlinpoet/TypeVariableName;
+	public static final fun toKWildcardTypeName (Lcom/palantir/javapoet/WildcardTypeName;)Lcom/squareup/kotlinpoet/WildcardTypeName;
 }
 
-public final class com/squareup/kotlinpoet/javapoet/K2jInteropKt {
-	public static final fun toJClassName (Lcom/squareup/kotlinpoet/ClassName;Z)Lcom/squareup/javapoet/TypeName;
-	public static synthetic fun toJClassName$default (Lcom/squareup/kotlinpoet/ClassName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
-	public static final fun toJParameterizedOrArrayTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/TypeName;
-	public static final fun toJParameterizedTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/squareup/javapoet/ParameterizedTypeName;
-	public static final fun toJTypeName (Lcom/squareup/kotlinpoet/TypeName;Z)Lcom/squareup/javapoet/TypeName;
-	public static synthetic fun toJTypeName$default (Lcom/squareup/kotlinpoet/TypeName;ZILjava/lang/Object;)Lcom/squareup/javapoet/TypeName;
-	public static final fun toJTypeVariableName (Lcom/squareup/kotlinpoet/TypeVariableName;)Lcom/squareup/javapoet/TypeVariableName;
-	public static final fun toJWildcardTypeName (Lcom/squareup/kotlinpoet/WildcardTypeName;)Lcom/squareup/javapoet/WildcardTypeName;
+public final class com/squareup/kotlinpoet/palantirjavapoet/K2jInteropKt {
+	public static final fun toJClassName (Lcom/squareup/kotlinpoet/ClassName;Z)Lcom/palantir/javapoet/TypeName;
+	public static synthetic fun toJClassName$default (Lcom/squareup/kotlinpoet/ClassName;ZILjava/lang/Object;)Lcom/palantir/javapoet/TypeName;
+	public static final fun toJParameterizedOrArrayTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/palantir/javapoet/TypeName;
+	public static final fun toJParameterizedTypeName (Lcom/squareup/kotlinpoet/ParameterizedTypeName;)Lcom/palantir/javapoet/ParameterizedTypeName;
+	public static final fun toJTypeName (Lcom/squareup/kotlinpoet/TypeName;Z)Lcom/palantir/javapoet/TypeName;
+	public static synthetic fun toJTypeName$default (Lcom/squareup/kotlinpoet/TypeName;ZILjava/lang/Object;)Lcom/palantir/javapoet/TypeName;
+	public static final fun toJTypeVariableName (Lcom/squareup/kotlinpoet/TypeVariableName;)Lcom/palantir/javapoet/TypeVariableName;
+	public static final fun toJWildcardTypeName (Lcom/squareup/kotlinpoet/WildcardTypeName;)Lcom/palantir/javapoet/WildcardTypeName;
 }
 
-public abstract interface annotation class com/squareup/kotlinpoet/javapoet/KotlinPoetJavaPoetPreview : java/lang/annotation/Annotation {
+public abstract interface annotation class com/squareup/kotlinpoet/palantirjavapoet/KotlinPoetJavaPoetPreview : java/lang/annotation/Annotation {
 }
 

interop/javapoet/build.gradle.kts

@@ -19,7 +19,7 @@ plugins {
 
 tasks.jar {
   manifest {
-    attributes("Automatic-Module-Name" to "com.squareup.kotlinpoet.javapoet")
+    attributes("Automatic-Module-Name" to "com.squareup.kotlinpoet.palantirjavapoet")
   }
 }
 

interop/javapoet/gradle.properties

@@ -1,4 +1,4 @@
-POM_ARTIFACT_ID=kotlinpoet-javapoet
+POM_ARTIFACT_ID=kotlinpoet-palantirjavapoet
 POM_NAME=KotlinPoet (JavaPoet Interop)
 POM_DESCRIPTION=Extensions for interop with JavaPoet.
 POM_PACKAGING=jar

interop/javapoet/src/main/kotlin/com/squareup/kotlinpoet/palantirjavapoet/K2jInterop.kt

@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2021 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.kotlinpoet.palantirjavapoet
+
+import com.palantir.javapoet.ArrayTypeName
+import com.squareup.kotlinpoet.ANY
+import com.squareup.kotlinpoet.ARRAY
+import com.squareup.kotlinpoet.BOOLEAN
+import com.squareup.kotlinpoet.BOOLEAN_ARRAY
+import com.squareup.kotlinpoet.BYTE
+import com.squareup.kotlinpoet.BYTE_ARRAY
+import com.squareup.kotlinpoet.CHAR
+import com.squareup.kotlinpoet.CHAR_ARRAY
+import com.squareup.kotlinpoet.CHAR_SEQUENCE
+import com.squareup.kotlinpoet.DOUBLE
+import com.squareup.kotlinpoet.DOUBLE_ARRAY
+import com.squareup.kotlinpoet.Dynamic
+import com.squareup.kotlinpoet.ENUM
+import com.squareup.kotlinpoet.FLOAT
+import com.squareup.kotlinpoet.FLOAT_ARRAY
+import com.squareup.kotlinpoet.INT
+import com.squareup.kotlinpoet.INT_ARRAY
+import com.squareup.kotlinpoet.LIST
+import com.squareup.kotlinpoet.LONG
+import com.squareup.kotlinpoet.LONG_ARRAY
+import com.squareup.kotlinpoet.LambdaTypeName
+import com.squareup.kotlinpoet.MAP
+import com.squareup.kotlinpoet.MUTABLE_LIST
+import com.squareup.kotlinpoet.MUTABLE_MAP
+import com.squareup.kotlinpoet.MUTABLE_SET
+import com.squareup.kotlinpoet.SET
+import com.squareup.kotlinpoet.SHORT
+import com.squareup.kotlinpoet.SHORT_ARRAY
+import com.squareup.kotlinpoet.STAR
+import com.squareup.kotlinpoet.STRING
+import com.squareup.kotlinpoet.U_BYTE
+import com.squareup.kotlinpoet.U_BYTE_ARRAY
+import com.squareup.kotlinpoet.U_INT
+import com.squareup.kotlinpoet.U_INT_ARRAY
+import com.squareup.kotlinpoet.U_LONG
+import com.squareup.kotlinpoet.U_LONG_ARRAY
+import com.squareup.kotlinpoet.U_SHORT
+import com.squareup.kotlinpoet.U_SHORT_ARRAY
+
+@KotlinPoetJavaPoetPreview
+public fun KClassName.toJClassName(boxIfPrimitive: Boolean = false): JTypeName {
+  return when (copy(nullable = false)) {
+    BOOLEAN -> JTypeName.BOOLEAN.boxIfPrimitive(boxIfPrimitive || isNullable)
+    BYTE, U_BYTE -> JTypeName.BYTE.boxIfPrimitive(boxIfPrimitive || isNullable)
+    CHAR -> JTypeName.CHAR.boxIfPrimitive(boxIfPrimitive || isNullable)
+    SHORT, U_SHORT -> JTypeName.SHORT.boxIfPrimitive(boxIfPrimitive || isNullable)
+    INT, U_INT -> JTypeName.INT.boxIfPrimitive(boxIfPrimitive || isNullable)
+    LONG, U_LONG -> JTypeName.LONG.boxIfPrimitive(boxIfPrimitive || isNullable)
+    FLOAT -> JTypeName.FLOAT.boxIfPrimitive(boxIfPrimitive || isNullable)
+    DOUBLE -> JTypeName.DOUBLE.boxIfPrimitive(boxIfPrimitive || isNullable)
+    ANY -> JClassName.OBJECT
+    CHAR_SEQUENCE -> PoetInterop.CN_JAVA_CHAR_SEQUENCE
+    STRING -> PoetInterop.CN_JAVA_STRING
+    LIST, MUTABLE_LIST -> PoetInterop.CN_JAVA_LIST
+    SET, MUTABLE_SET -> PoetInterop.CN_JAVA_SET
+    MAP, MUTABLE_MAP -> PoetInterop.CN_JAVA_MAP
+    BOOLEAN_ARRAY -> ArrayTypeName.of(JTypeName.BOOLEAN)
+    BYTE_ARRAY, U_BYTE_ARRAY -> ArrayTypeName.of(JTypeName.BYTE)
+    CHAR_ARRAY -> ArrayTypeName.of(JTypeName.CHAR)
+    SHORT_ARRAY, U_SHORT_ARRAY -> ArrayTypeName.of(JTypeName.SHORT)
+    INT_ARRAY, U_INT_ARRAY -> ArrayTypeName.of(JTypeName.INT)
+    LONG_ARRAY, U_LONG_ARRAY -> ArrayTypeName.of(JTypeName.LONG)
+    FLOAT_ARRAY -> ArrayTypeName.of(JTypeName.FLOAT)
+    DOUBLE_ARRAY -> ArrayTypeName.of(JTypeName.DOUBLE)
+    ENUM -> PoetInterop.CN_JAVA_ENUM
+    else -> {
+      if (simpleNames.size == 1) {
+        JClassName.get(packageName, simpleName)
+      } else {
+        JClassName.get(packageName, simpleNames.first(), *simpleNames.drop(1).toTypedArray())
+      }
+    }
+  }
+}
+
+@KotlinPoetJavaPoetPreview
+public fun KParameterizedTypeName.toJParameterizedOrArrayTypeName(): JTypeName {
+  return when (rawType) {
+    ARRAY -> {
+      val componentType = typeArguments.firstOrNull()?.toJTypeName()
+        ?: throw IllegalStateException("Array with no type! $this")
+      ArrayTypeName.of(componentType)
+    }
+    else -> {
+      JParameterizedTypeName.get(
+        rawType.toJClassName() as JClassName,
+        *typeArguments.map { it.toJTypeName(boxIfPrimitive = true) }.toTypedArray(),
+      )
+    }
+  }
+}
+
+@KotlinPoetJavaPoetPreview
+public fun KParameterizedTypeName.toJParameterizedTypeName(): JParameterizedTypeName {
+  check(rawType != ARRAY) {
+    "Array type! JavaPoet arrays are a custom TypeName. Use this function only for things you know are not arrays"
+  }
+  return toJParameterizedOrArrayTypeName() as JParameterizedTypeName
+}
+
+@KotlinPoetJavaPoetPreview
+public fun KTypeVariableName.toJTypeVariableName(): JTypeVariableName {
+  return JTypeVariableName.get(name, *bounds.map { it.toJTypeName(boxIfPrimitive = true) }.toTypedArray())
+}
+
+@KotlinPoetJavaPoetPreview
+public fun KWildcardTypeName.toJWildcardTypeName(): JWildcardTypeName {
+  return if (this == STAR) {
+    JWildcardTypeName.subtypeOf(JClassName.OBJECT)
+  } else if (inTypes.size == 1) {
+    JWildcardTypeName.supertypeOf(inTypes[0].toJTypeName())
+  } else {
+    JWildcardTypeName.subtypeOf(outTypes[0].toJTypeName())
+  }
+}
+
+@KotlinPoetJavaPoetPreview
+public fun KTypeName.toJTypeName(boxIfPrimitive: Boolean = false): JTypeName {
+  return when (this) {
+    is KClassName -> toJClassName(boxIfPrimitive)
+    Dynamic -> throw IllegalStateException("Not applicable in Java!")
+    // TODO should we return a ParameterizedTypeName of the KFunction?
+    is LambdaTypeName -> throw IllegalStateException("Not applicable in Java!")
+    is KParameterizedTypeName -> toJParameterizedOrArrayTypeName()
+    is KTypeVariableName -> toJTypeVariableName()
+    is KWildcardTypeName -> toJWildcardTypeName()
+  }
+}

interop/javapoet/src/main/kotlin/com/squareup/kotlinpoet/palantirjavapoet/KotlinPoetJavaPoetPreview.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2021 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.kotlinpoet.palantirjavapoet
+
+import kotlin.annotation.AnnotationTarget.CLASS
+import kotlin.annotation.AnnotationTarget.FUNCTION
+import kotlin.annotation.AnnotationTarget.PROPERTY
+import kotlin.annotation.AnnotationTarget.TYPEALIAS
+
+/**
+ * Indicates that a given API is part of the experimental KotlinPoet JavaPoet support and is
+ * subject to API changes.
+ */
+@RequiresOptIn
+@Retention(AnnotationRetention.BINARY)
+@Target(CLASS, FUNCTION, PROPERTY, TYPEALIAS)
+public annotation class KotlinPoetJavaPoetPreview

interop/javapoet/src/main/kotlin/com/squareup/kotlinpoet/palantirjavapoet/PoetInterop.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2021 Square, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.squareup.kotlinpoet.palantirjavapoet
+
+/** Various JavaPoet and KotlinPoet representations of some common types. */
+@OptIn(KotlinPoetJavaPoetPreview::class)
+internal object PoetInterop {
+  internal val CN_JAVA_CHAR_SEQUENCE = JClassName.get("java.lang", "CharSequence")
+  internal val CN_JAVA_STRING = JClassName.get("java.lang", "String")
+  internal val CN_JAVA_LIST = JClassName.get("java.util", "List")
+  internal val CN_JAVA_SET = JClassName.get("java.util", "Set")
+  internal val CN_JAVA_MAP = JClassName.get("java.util", "Map")
+  internal val CN_JAVA_ENUM = JClassName.get("java.lang", "Enum")
+}