I dont know if this works or is correct but it runs?

src/main/java/info/sigterm/deob/attributes/code/instruction/types/JumpingInstruction.java

@@ -1,6 +1,11 @@
 package info.sigterm.deob.attributes.code.instruction.types;
 
+import info.sigterm.deob.attributes.code.Instruction;
+import java.util.List;
+
 public interface JumpingInstruction
 {
 	public void buildJumpGraph();
+	
+	List<Instruction> getJumps();
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/Goto.java

@@ -9,6 +9,8 @@ import info.sigterm.deob.execution.Frame;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 
 public class Goto extends Instruction implements JumpingInstruction
 {
@@ -71,4 +73,10 @@ public class Goto extends Instruction implements JumpingInstruction
 		if (to == oldi)
 			to = newi;
 	}
+
+	@Override
+	public List<Instruction> getJumps()
+	{
+		return Arrays.asList(to);
+	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/GotoW.java

@@ -9,6 +9,8 @@ import info.sigterm.deob.execution.Frame;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 
 public class GotoW extends Instruction implements JumpingInstruction
 {
@@ -61,4 +63,10 @@ public class GotoW extends Instruction implements JumpingInstruction
 		if (to == oldi)
 			to = newi;
 	}
+	
+	@Override
+	public List<Instruction> getJumps()
+	{
+		return Arrays.asList(to);
+	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/If.java

@@ -13,6 +13,8 @@ import info.sigterm.deob.execution.StackContext;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 
 public class If extends Instruction implements JumpingInstruction, ComparisonInstruction
 {
@@ -71,8 +73,9 @@ public class If extends Instruction implements JumpingInstruction, ComparisonIns
 			to = newi;
 	}
 	
-	public Instruction getTo()
+	@Override
+	public List<Instruction> getJumps()
 	{
-		return to;
+		return Arrays.asList(to);
 	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/If0.java

@@ -13,6 +13,8 @@ import info.sigterm.deob.execution.StackContext;
 import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
 
 public class If0 extends Instruction implements JumpingInstruction, ComparisonInstruction
 {
@@ -70,8 +72,9 @@ public class If0 extends Instruction implements JumpingInstruction, ComparisonIn
 			to = newi;
 	}
 	
-	public Instruction getTo()
+	@Override
+	public List<Instruction> getJumps()
 	{
-		return to;
+		return Arrays.asList(to);
 	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/LookupSwitch.java

@@ -13,6 +13,7 @@ import java.io.DataInputStream;
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 
 public class LookupSwitch extends Instruction implements JumpingInstruction
@@ -132,4 +133,14 @@ public class LookupSwitch extends Instruction implements JumpingInstruction
 			if (branchi.get(i) == oldi)
 				branchi.set(i, newi);
 	}
+	
+	@Override
+	public List<Instruction> getJumps()
+	{
+		List<Instruction> list = new ArrayList<>();
+		for (Instruction i : branchi)
+			list.add(i);
+		list.add(defi);
+		return list;
+	}
 }

src/main/java/info/sigterm/deob/attributes/code/instructions/TableSwitch.java

@@ -129,4 +129,14 @@ public class TableSwitch extends Instruction implements JumpingInstruction
 			if (branchi.get(i) == oldi)
 				branchi.set(i, newi);
 	}
+	
+	@Override
+	public List<Instruction> getJumps()
+	{
+		List<Instruction> list = new ArrayList<>();
+		for (Instruction i : branchi)
+			list.add(i);
+		list.add(defi);
+		return list;
+	}
 }