src/java.base/share/classes/sun/reflect/ReflectionFactory.java

*** 320,329 ****
--- 320,339 ----
       */
      public byte[] getExecutableTypeAnnotationBytes(Executable ex) {
          return langReflectAccess().getExecutableTypeAnnotationBytes(ex);
      }
  
+     /** Compares parameter types of two Methods */
+     public boolean methodParameterTypesEquals(Method method1, Method method2) {
+         return langReflectAccess().methodParameterTypesEquals(method1, method2);
+     }
+ 
+     /** Returns hashCode for parameter types of a Method */
+     public int methodParameterTypesHashCode(Method method) {
+         return langReflectAccess().methodParameterTypesHashCode(method);
+     }
+ 
      //--------------------------------------------------------------------------
      //
      // Routines used by serialization
      //
      //