1 files changed, 19 insertions, 1 deletions
diff --git a/api/src/main/java/org/semver/Delta.java b/api/src/main/java/org/semver/Delta.java
index d38777d..e148a72 100755
--- a/api/src/main/java/org/semver/Delta.java
+++ b/api/src/main/java/org/semver/Delta.java
@@ -107,6 +107,23 @@ public final class Delta {
     }
 
     @Immutable
+    public static class CompatChange extends Difference {
+
+        private final AbstractInfo modifiedInfo;
+
+        public CompatChange(@Nonnull final String className, @Nonnull final AbstractInfo info, @Nonnull final AbstractInfo modifiedInfo) {
+            super(className, info);
+
+            this.modifiedInfo = modifiedInfo;
+        }
+
+        public AbstractInfo getModifiedInfo() {
+            return this.modifiedInfo;
+        }
+
+    }
+
+    @Immutable
     public static class Deprecate extends Difference {
 
 	private final AbstractInfo modifiedInfo;
@@ -155,7 +172,8 @@ public final class Delta {
             contains(this.differences, Remove.class)) {
             return CompatibilityType.NON_BACKWARD_COMPATIBLE;
         } else if (contains(this.differences, Add.class) ||
-                contains(this.differences, Deprecate.class)) {
+                   contains(this.differences, CompatChange.class) ||
+                   contains(this.differences, Deprecate.class)) {
             return CompatibilityType.BACKWARD_COMPATIBLE_USER;
         } else {
             return CompatibilityType.BACKWARD_COMPATIBLE_IMPLEMENTER;