diff --git a/src/sdk/repr.rs b/src/sdk/repr.rs
index 099c320..167717f 100644
--- a/src/sdk/repr.rs
+++ b/src/sdk/repr.rs
@@ -69,6 +69,26 @@ pub enum UnrealType {
     Enum(Enum),
 }
 
+impl UnrealType {
+    pub fn obj_ref(&self) -> ObjectRef {
+        match self {
+            UnrealType::Class(obj) => obj.obj_ref,
+            UnrealType::Struct(obj) => obj.obj_ref,
+            UnrealType::Actor(obj) => obj.obj_ref,
+            UnrealType::Enum(obj) => obj.obj_ref,
+        }
+    }
+
+    pub fn get_dependent_types(&self) -> Vec<ObjectRef> {
+        match self {
+            UnrealType::Class(obj) | UnrealType::Struct(obj) | UnrealType::Actor(obj) => {
+                obj.get_dependent_types()
+            }
+            UnrealType::Enum(_) => vec![],
+        }
+    }
+}
+
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub enum StructKind {
     Object,
@@ -78,6 +98,7 @@ pub enum StructKind {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Enum {
+    pub obj_ref: ObjectRef,
     pub name: String,
     pub full_name: String,
     pub values: BTreeMap<u32, String>,
@@ -85,6 +106,7 @@ pub struct Enum {
 
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Class {
+    pub obj_ref: ObjectRef,
     pub kind: StructKind,
     pub size: u32,
     pub name: String,
@@ -94,9 +116,6 @@ pub struct Class {
     pub min_alignment: u32,
     pub fields: Vec<ClassField>,
     pub methods: Vec<ClassMethod>,
-    /// types this class depends on; includes super types, types of fields and
-    /// types of function parameters.
-    pub dependencies: Vec<ObjectRef>,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -209,3 +228,19 @@ pub enum Type {
     Class(ObjectRef),
     Struct(ObjectRef),
 }
+
+impl Type {
+    pub fn dependent_type(&self) -> Option<ObjectRef> {
+        match self {
+            Type::Ptr(ty) | Type::Ref(ty) | Type::Array(ty) | Type::RawArray { ty, .. } => {
+                ty.dependent_type()
+            }
+            Type::WeakPtr(ty) | Type::SoftPtr(ty) | Type::LazyPtr(ty) | Type::AssetPtr(ty) => {
+                Some(*ty)
+            }
+            Type::Enum { underlying, .. } => underlying.dependent_type(),
+            Type::Class(ty) | Type::Struct(ty) => Some(*ty),
+            _ => None,
+        }
+    }
+}