leave stronger type signature.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3113 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/model/Result.java

@@ -77,7 +77,7 @@ public final class Result implements Serializable, CustomExposureBean {
         return FAILURE;
     }
 
-    public Object toExposedObject() {
+    public String toExposedObject() {
         return name;
     }
 

core/src/main/java/hudson/scm/EditType.java

@@ -24,7 +24,7 @@ public final class EditType implements CustomExposureBean {
         return description;
     }
 
-    public Object toExposedObject() {
+    public String toExposedObject() {
         return name;
     }