diff --git a/incremental/common/src/index.ts b/incremental/common/src/index.ts
index 7d500898cce3480ba522f920640293110dee232e..0e47fd13841b9b76f653b8ed1aa363f6bd68e615 100644
--- a/incremental/common/src/index.ts
+++ b/incremental/common/src/index.ts
@@ -37,6 +37,7 @@ export {
     propDeepCopy,
     refEqual,
     int8Array,
+    unsafeCast
 } from "@koalaui/compat"
 export { clamp, lerp, modulo, parseNumber, isFiniteNumber, getDistancePx } from "./math"
 export { hashCodeFromString } from "./stringUtils"
diff --git a/incremental/compat/src/arkts/index.ts b/incremental/compat/src/arkts/index.ts
index 898e2d891637f420a3677005f42b245e9f0622b3..95ec1799f3ee2e82960a2bc4c7e1a6ac41ebf1c7 100644
--- a/incremental/compat/src/arkts/index.ts
+++ b/incremental/compat/src/arkts/index.ts
@@ -24,3 +24,4 @@ export * from "./reflection"
 export * from "./strings"
 export * from "./ts-reflection"
 export * from "./types"
+export * from "./utils"
diff --git a/incremental/compat/src/arkts/utils.ts b/incremental/compat/src/arkts/utils.ts
new file mode 100644
index 0000000000000000000000000000000000000000..0061d575251e2bd5799c0a8d8be1a632dcc98871
--- /dev/null
+++ b/incremental/compat/src/arkts/utils.ts
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * 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
+ *
+ * http://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.
+ */
+
+export function unsafeCast<T>(value: Object): T {
+    return value as T
+}
diff --git a/incremental/compat/src/index.ts b/incremental/compat/src/index.ts
index 6976bcb3397b2ebd30c8701c9b0d87218473adce..5a05c8ee6adbf4bbfe50ac07dc0f2675ace82ca9 100644
--- a/incremental/compat/src/index.ts
+++ b/incremental/compat/src/index.ts
@@ -52,4 +52,5 @@ export {
     float32,
     float64,
     int8Array,
+    unsafeCast,
 } from "#platform"
diff --git a/incremental/compat/src/ohos/index.ts b/incremental/compat/src/ohos/index.ts
index e59193debbadc89a6078858bc57212302d17aa8b..285981699c2b448aa426f13131d4b7c83c8104ca 100644
--- a/incremental/compat/src/ohos/index.ts
+++ b/incremental/compat/src/ohos/index.ts
@@ -49,7 +49,8 @@ export {
     uint64,
     float32,
     float64,
-    int8Array
+    int8Array,
+    unsafeCast,
 } from "../typescript"
 
 export {
diff --git a/incremental/compat/src/typescript/index.ts b/incremental/compat/src/typescript/index.ts
index 220a13b412309d6e0baa071c9b1105014ef8963d..03bb4fbddd19dc1b318e50ee6c3a5eac5f4cc9d9 100644
--- a/incremental/compat/src/typescript/index.ts
+++ b/incremental/compat/src/typescript/index.ts
@@ -24,3 +24,4 @@ export * from "./reflection"
 export * from "./strings"
 export * from "./ts-reflection"
 export * from "./types"
+export * from "./utils"
diff --git a/incremental/compat/src/typescript/utils.ts b/incremental/compat/src/typescript/utils.ts
new file mode 100644
index 0000000000000000000000000000000000000000..2c08785fb196b3e5d6cbb3657f6db3401a7157db
--- /dev/null
+++ b/incremental/compat/src/typescript/utils.ts
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * 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
+ *
+ * http://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.
+ */
+
+export function unsafeCast<T>(value: unknown): T {
+    return value as unknown as T
+}
diff --git a/interop/src/arkts/MaterializedBase.sts b/interop/src/arkts/MaterializedBase.sts
new file mode 100644
index 0000000000000000000000000000000000000000..3f26a861ef8f7094a80963a25d1c9da020752c38
--- /dev/null
+++ b/interop/src/arkts/MaterializedBase.sts
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * 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
+ *
+ * http://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.
+ */
+
+import { Finalizable } from "./Finalizable"
+
+export interface MaterializedBase {
+    getPeer(): Finalizable | undefined
+}
+
diff --git a/interop/src/arkts/index.sts b/interop/src/arkts/index.sts
index 9fb970d80f45cfddf2388ca9f134dc9c33763522..7b8f23670cd07c1ea62e58dc287664703b35d769 100644
--- a/interop/src/arkts/index.sts
+++ b/interop/src/arkts/index.sts
@@ -23,3 +23,4 @@ export * from "./SerializerBase"
 export * from "./DeserializerBase"
 export * from "./Finalizable"
 export * from "./loadLibraries"
+export * from "./MaterializedBase"
diff --git a/interop/src/interop/MaterializedBase.ts b/interop/src/interop/MaterializedBase.ts
new file mode 100644
index 0000000000000000000000000000000000000000..51135fbaa7beee1e31f48d30b9eebc69c5fa45eb
--- /dev/null
+++ b/interop/src/interop/MaterializedBase.ts
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * 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
+ *
+ * http://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.
+ */
+
+import { Finalizable } from "./Finalizable"
+
+export interface MaterializedBase {
+    getPeer(): Finalizable | undefined
+}
diff --git a/interop/src/interop/index.ts b/interop/src/interop/index.ts
index f61254d5acbb7d8727394a7134405c49e3b92687..354f21254e52dc43fd8c237d3149c20711fb0e0a 100644
--- a/interop/src/interop/index.ts
+++ b/interop/src/interop/index.ts
@@ -71,3 +71,4 @@ export { InteropNativeModule, loadInteropNativeModule } from "./InteropNativeMod
 export { SerializerBase, RuntimeType, Tags, runtimeType, CallbackResource, unsafeCast, isResource, isInstanceOf } from "./SerializerBase"
 export { DeserializerBase } from "./DeserializerBase"
 export { loadNativeModuleLibrary, loadNativeLibrary, registerNativeModuleLibraryName } from "./loadLibraries"
+export * from "./MaterializedBase"