@@ -1,5 +1,12 @@
 import { owner_symbol } from './symbols';
 
+export interface AsyncWrap {
+  getAsyncId(): number;
+  asyncReset(resource: object, executionAsyncId?: number): void;
+  getAsyncContextFrameForDebuggingOnly(): unknown;
+  getProviderType(): number;
+}
+
 declare namespace InternalAsyncWrapBinding {
   interface Resource {
     [owner_symbol]?: PublicResource;
 
@@ -0,0 +1,8 @@
+import type { AsyncWrap } from './async_wrap';
+
+export interface HandleWrap extends AsyncWrap {
+  close(callback?: () => void): void;
+  hasRef(): boolean;
+  ref(): void;
+  unref(): void;
+}
@@ -1,14 +1,14 @@
+import type { HandleWrap } from './handle_wrap';
+
 declare namespace InternalSignalWrapBinding {
   class Signal {
     constructor();
     onsignal?: (signum: number) => void;
     start(signum: number): number | undefined;
     stop(): number;
-    close(callback?: () => void): void;
-    hasRef(): boolean;
-    ref(): void;
-    unref(): void;
   }
+
+  interface Signal extends HandleWrap {}
 }
 
 export interface SignalWrapBinding {
 
@@ -1,13 +1,13 @@
+import type { HandleWrap } from './handle_wrap';
+
 declare namespace InternalWatchdogBinding {
   class TraceSigintWatchdog {
     constructor();
     start(): void;
     stop(): void;
-    close(callback?: () => void): void;
-    hasRef(): boolean;
-    ref(): void;
-    unref(): void;
   }
+
+  interface TraceSigintWatchdog extends HandleWrap {}
 }
 
 export interface WatchdogBinding {