diff --git a/package.json b/package.json
index 3e74133..d72a663 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@squeebot/core",
-  "version": "3.3.3",
+  "version": "3.3.4",
   "description": "Squeebot v3 core for the execution environment",
   "main": "lib/index.js",
   "module": "lib/",
diff --git a/src/types/protocol.ts b/src/types/protocol.ts
index 037f1e9..2dffc9a 100644
--- a/src/types/protocol.ts
+++ b/src/types/protocol.ts
@@ -61,7 +61,14 @@ export class Protocol extends EventEmitter {
     this.emit('stopped');
   }
 
-  public resolve(message: IMessage, ...data: any[]): void {}
+  public resolve(message: IMessage, ...data: any[]): void {
+    throw new Error('Method not implemented.');
+  }
+
+  public async sendTo(target: string, ...data: any[]): Promise<boolean> {
+    throw new Error('Method not implemented.');
+  }
+
   public get fullName(): string {
     return this.plugin.manifest.name + '/' + this.name;
   }