Added few more implementation details.

Author: RealMangorage

src/main/java/org/mangorage/bootstrap/api/transformer/IClassTransformer.java

@@ -2,6 +2,5 @@
 
 public interface IClassTransformer {
     TransformResult transform(String className, byte[] classData);
-
     String getName();
 }

src/main/java/org/mangorage/bootstrap/api/transformer/IClassTransformerHistory.java

@@ -1,7 +1,11 @@
 package org.mangorage.bootstrap.api.transformer;
 
-import java.util.Map;
+import java.util.List;
 
 public interface IClassTransformerHistory {
+    List<ITransformerResultHistory> getHistory(String name);
 
+    default List<ITransformerResultHistory> getHistory(Class<?> clazz) {
+        return getHistory(clazz.getName());
+    }
 }

src/main/java/org/mangorage/bootstrap/api/transformer/ITransformerResultHistory.java

@@ -2,6 +2,7 @@
 
 public interface ITransformerResultHistory {
     Class<?> transformer();
+    String transformerName();
     TransformerFlag transformerFlag();
     byte[] classData();
 }