diff --git a/src/main/java/com/probejs/rewrite/doc/type/DocTypeArray.java b/src/main/java/com/probejs/rewrite/doc/type/DocTypeArray.java
deleted file mode 100644
index f23a57d3..00000000
--- a/src/main/java/com/probejs/rewrite/doc/type/DocTypeArray.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.probejs.rewrite.doc.type;
-
-import com.probejs.info.type.IType;
-import com.probejs.info.type.TypeArray;
-import lombok.Getter;
-
-@Getter
-public class DocTypeArray implements DocType {
-
-    private final DocType base;
-
-    DocTypeArray(IType type) {
-        this.base = DocTypeResolver.of(((TypeArray)type).getBase());
-    }
-}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/DocTypeResolver.java b/src/main/java/com/probejs/rewrite/doc/type/DocTypeResolver.java
index de2f717c..02c34fea 100644
--- a/src/main/java/com/probejs/rewrite/doc/type/DocTypeResolver.java
+++ b/src/main/java/com/probejs/rewrite/doc/type/DocTypeResolver.java
@@ -3,6 +3,7 @@
 import com.probejs.info.type.IType;
 import com.probejs.info.type.TypeArray;
 import com.probejs.info.type.TypeClass;
+import com.probejs.rewrite.doc.type.java.TypeClazz;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -14,8 +15,8 @@ public abstract class DocTypeResolver {
 
     static {
         REGISTRIES = new HashMap<>();
-        REGISTRIES.put(TypeClass.class, DocTypeClazz::new);
-        REGISTRIES.put(TypeArray.class, DocTypeClazz::new);
+        REGISTRIES.put(TypeClass.class, TypeClazz::new);
+        REGISTRIES.put(TypeArray.class, com.probejs.rewrite.doc.type.java.TypeArray::new);
     }
 
     public static DocType of(IType type) {
diff --git a/src/main/java/com/probejs/rewrite/doc/type/java/JavaType.java b/src/main/java/com/probejs/rewrite/doc/type/java/JavaType.java
new file mode 100644
index 00000000..4b85f8a1
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/java/JavaType.java
@@ -0,0 +1,18 @@
+package com.probejs.rewrite.doc.type.java;
+
+import com.probejs.rewrite.doc.type.DocType;
+
+import java.lang.reflect.Type;
+import java.util.Collection;
+
+/**
+ * @author ZZZank
+ */
+public interface JavaType extends DocType {
+
+    Type raw();
+
+    JavaType base();
+
+    Collection<Class<?>> relatedClasses();
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/java/TypeArray.java b/src/main/java/com/probejs/rewrite/doc/type/java/TypeArray.java
new file mode 100644
index 00000000..6255535d
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/java/TypeArray.java
@@ -0,0 +1,16 @@
+package com.probejs.rewrite.doc.type.java;
+
+import com.probejs.info.type.IType;
+import com.probejs.rewrite.doc.type.DocType;
+import com.probejs.rewrite.doc.type.DocTypeResolver;
+import lombok.Getter;
+
+@Getter
+public class TypeArray implements DocType {
+
+    private final DocType base;
+
+    public TypeArray(IType type) {
+        this.base = DocTypeResolver.of(type.getBase());
+    }
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/DocTypeClazz.java b/src/main/java/com/probejs/rewrite/doc/type/java/TypeClazz.java
similarity index 70%
rename from src/main/java/com/probejs/rewrite/doc/type/DocTypeClazz.java
rename to src/main/java/com/probejs/rewrite/doc/type/java/TypeClazz.java
index 7c7858b1..a07c135f 100644
--- a/src/main/java/com/probejs/rewrite/doc/type/DocTypeClazz.java
+++ b/src/main/java/com/probejs/rewrite/doc/type/java/TypeClazz.java
@@ -1,30 +1,31 @@
-package com.probejs.rewrite.doc.type;
+package com.probejs.rewrite.doc.type.java;
 
 import com.probejs.info.clazz.ClassInfo;
 import com.probejs.info.type.IType;
 import com.probejs.info.type.TypeClass;
 import com.probejs.rewrite.ClazzPath;
 import com.probejs.rewrite.doc.DocClazz;
+import com.probejs.rewrite.doc.type.DocType;
 import lombok.Getter;
 
 @Getter
-public class DocTypeClazz implements DocType {
+public class TypeClazz implements DocType {
 
     private final ClazzPath path;
     private final DocClazz doc;
     private final boolean assigned;
 
-    DocTypeClazz(Class<?> clazz) {
+    TypeClazz(Class<?> clazz) {
         this.doc = DocClazz.of(clazz);
         this.path = this.doc.getPath();
         this.assigned = !this.doc.getAssignables().isEmpty();
     }
 
-    DocTypeClazz(ClassInfo clazz) {
+    TypeClazz(ClassInfo clazz) {
         this(clazz.getRaw());
     }
 
-    public DocTypeClazz(IType iType) {
+    public TypeClazz(IType iType) {
         this(((TypeClass) iType).getRaw());
     }
 }
diff --git a/src/main/java/com/probejs/rewrite/doc/type/java/TypeVariable.java b/src/main/java/com/probejs/rewrite/doc/type/java/TypeVariable.java
new file mode 100644
index 00000000..dd280f9f
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/java/TypeVariable.java
@@ -0,0 +1,38 @@
+package com.probejs.rewrite.doc.type.java;
+
+import com.probejs.info.type.TypeResolver;
+import com.probejs.rewrite.doc.type.DocTypeResolver;
+import lombok.AllArgsConstructor;
+import lombok.val;
+
+import java.lang.reflect.Type;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+/**
+ * @author ZZZank
+ */
+@AllArgsConstructor
+public class TypeVariable implements JavaType {
+    private final java.lang.reflect.TypeVariable<?> raw;
+
+    @Override
+    public Type raw() {
+        return raw;
+    }
+
+    @Override
+    public JavaType base() {
+        return this;
+    }
+
+    @Override
+    public Collection<Class<?>> relatedClasses() {
+        val related = new ArrayList<Class<?>>();
+        for (Type bound : raw.getBounds()) {
+
+        }
+        return related;
+    }
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/typescript/TSType.java b/src/main/java/com/probejs/rewrite/doc/type/typescript/TSType.java
new file mode 100644
index 00000000..dd9f9af1
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/typescript/TSType.java
@@ -0,0 +1,9 @@
+package com.probejs.rewrite.doc.type.typescript;
+
+import com.probejs.rewrite.doc.type.DocType;
+
+/**
+ * @author ZZZank
+ */
+public interface TSType extends DocType {
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeIntersection.java b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeIntersection.java
new file mode 100644
index 00000000..a38a29a4
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeIntersection.java
@@ -0,0 +1,10 @@
+package com.probejs.rewrite.doc.type.typescript;
+
+import com.probejs.rewrite.doc.type.DocType;
+
+/**
+ * aka TypeAnd, "string & number"
+ * @author ZZZank
+ */
+public record TypeIntersection(DocType left, DocType right) implements TSType {
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeLiteral.java b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeLiteral.java
new file mode 100644
index 00000000..86220a89
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeLiteral.java
@@ -0,0 +1,11 @@
+package com.probejs.rewrite.doc.type.typescript;
+
+import lombok.AllArgsConstructor;
+
+/**
+ * @author ZZZank
+ */
+@AllArgsConstructor
+public class TypeLiteral {
+    private final String literal;
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeObject.java b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeObject.java
new file mode 100644
index 00000000..81340d1b
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeObject.java
@@ -0,0 +1,14 @@
+package com.probejs.rewrite.doc.type.typescript;
+
+import com.probejs.rewrite.doc.type.DocType;
+import lombok.AllArgsConstructor;
+
+import java.util.Map;
+
+/**
+ * @author ZZZank
+ */
+@AllArgsConstructor
+public class TypeObject implements TSType {
+    private final Map<String, ? extends DocType> map;
+}
diff --git a/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeUnion.java b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeUnion.java
new file mode 100644
index 00000000..f8bfae2f
--- /dev/null
+++ b/src/main/java/com/probejs/rewrite/doc/type/typescript/TypeUnion.java
@@ -0,0 +1,11 @@
+package com.probejs.rewrite.doc.type.typescript;
+
+import com.probejs.rewrite.doc.type.DocType;
+
+/**
+ * aka TypeOr, "string | number"
+ *
+ * @author ZZZank
+ */
+public record TypeUnion(DocType left, DocType right) implements TSType {
+}