diff --git a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
index f339af1a..d7915f3f 100644
--- a/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
+++ b/src/main/java/de/dhbwstuttgart/core/JavaTXCompiler.java
@@ -33,6 +33,7 @@ import de.dhbwstuttgart.typeinference.unify.model.PlaceholderType;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyPair;
 import de.dhbwstuttgart.typeinference.unify.model.UnifyType;
 import de.dhbwstuttgart.typeinference.unify.TypeUnifyTask;
+import de.dhbwstuttgart.typeinference.unify.UnifyResultModel;
 
 import java.io.File;
 import java.io.FileOutputStream;
@@ -43,6 +44,8 @@ import java.util.function.Function;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
+import org.antlr.v4.parse.ANTLRParser.throwsSpec_return;
+
 public class JavaTXCompiler {
 
     final CompilationEnvironment environment;
@@ -268,6 +271,10 @@ public class JavaTXCompiler {
 	}
 	*/
     
+    public UnifyResultModel typeInferenceAsync() throws ClassNotFoundException {
+    	return new UnifyResultModel();
+    }
+    
     
     public List<ResultSet> typeInference() throws ClassNotFoundException {
         List<ClassOrInterface> allClasses = new ArrayList<>();//environment.getAllAvailableClasses();
diff --git a/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultEvent.java b/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultEvent.java
index 05433287..a79e34ec 100644
--- a/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultEvent.java
+++ b/src/main/java/de/dhbwstuttgart/typeinference/unify/UnifyResultEvent.java
@@ -1,16 +1,18 @@
 package de.dhbwstuttgart.typeinference.unify;
 
+import java.util.List;
+
 import de.dhbwstuttgart.typeinference.result.ResultSet;
 
 public class UnifyResultEvent {
 	
-	private ResultSet newTypeResult;
+	private List<ResultSet> newTypeResult;
 
-	public UnifyResultEvent(ResultSet newTypeResult) {
+	public UnifyResultEvent(List<ResultSet> newTypeResult) {
 		this.newTypeResult = newTypeResult;
 	}
 
-	public ResultSet getNewTypeResult() {
+	public List<ResultSet> getNewTypeResult() {
 		return newTypeResult;
 	}
 }