src/java.compiler/share/classes/javax/lang/model/element/ModuleElement.java

*** 199,226 ****
      interface DirectiveVisitor<R, P> {
          /**
           * Visits any directive as if by passing itself to that
           * directive's {@link Directive#accept accept} method and passing
           * {@code null} for the additional parameter.
!          * The invocation {@code v.visit(d)} is equivalent to
!          * {@code d.accept(v, null)}.
           * @param d  the directive to visit
           * @return a visitor-specified result
!          * @implSpec This implementation is {@code visit(d, null)}
           */
          default R visit(Directive d) {
              return d.accept(this, null);
          }
  
          /**
           * Visits any directive as if by passing itself to that
           * directive's {@link Directive#accept accept} method.
!          * The invocation {@code v.visit(d, p)} is equivalent to
!          * {@code d.accept(v, p)}.
           * @param d  the directive to visit
           * @param p  a visitor-specified parameter
           * @return a visitor-specified result
           */
          default R visit(Directive d, P p) {
              return d.accept(this, p);
          }
  
--- 199,225 ----
      interface DirectiveVisitor<R, P> {
          /**
           * Visits any directive as if by passing itself to that
           * directive's {@link Directive#accept accept} method and passing
           * {@code null} for the additional parameter.
!          *
           * @param d  the directive to visit
           * @return a visitor-specified result
!          * @implSpec The default implementation is {@code d.accept(v, null)}.
           */
          default R visit(Directive d) {
              return d.accept(this, null);
          }
  
          /**
           * Visits any directive as if by passing itself to that
           * directive's {@link Directive#accept accept} method.
!          *
           * @param d  the directive to visit
           * @param p  a visitor-specified parameter
           * @return a visitor-specified result
+          * @implSpec The default implementation is {@code d.accept(v, p)}.
           */
          default R visit(Directive d, P p) {
              return d.accept(this, p);
          }
  
*** 269,279 ****
           * This can occur if the language evolves and new kinds of directive are added.
           * @param d  the directive to visit
           * @param p  a visitor-specified parameter
           * @return a visitor-specified result
           * @throws UnknownDirectiveException a visitor implementation may optionally throw this exception
!          * @implSpec This implementation throws {@code new UnknownDirectiveException(d, p)}.
           */
          default R visitUnknown(Directive d, P p) {
              throw new UnknownDirectiveException(d, p);
          }
      }
--- 268,278 ----
           * This can occur if the language evolves and new kinds of directive are added.
           * @param d  the directive to visit
           * @param p  a visitor-specified parameter
           * @return a visitor-specified result
           * @throws UnknownDirectiveException a visitor implementation may optionally throw this exception
!          * @implSpec The default implementation throws {@code new UnknownDirectiveException(d, p)}.
           */
          default R visitUnknown(Directive d, P p) {
              throw new UnknownDirectiveException(d, p);
          }
      }