src/java.base/share/classes/java/lang/reflect/Executable.java

*** 220,229 ****
--- 220,233 ----
       *     the format specified in
       *     <cite>The Java&trade; Virtual Machine Specification</cite>
       */
      public abstract TypeVariable<?>[] getTypeParameters();
  
+     // returns shared array of parameter types - must never give it out
+     // to the untrusted code...
+     abstract Class<?>[] getSharedParameterTypes();
+ 
      /**
       * Returns an array of {@code Class} objects that represent the formal
       * parameter types, in declaration order, of the executable
       * represented by this object.  Returns an array of length
       * 0 if the underlying executable takes no parameters.