src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/VisibleMemberTable.java

*** 698,708 ****
                  memberMap.computeIfPresent(kind, (k, v) -> Collections.unmodifiableMap(v));
                  memberMap.computeIfAbsent(kind, t -> Collections.emptyMap());
              }
          }
  
!         @SuppressWarnings("removal")
          String getMemberKey(Element e) {
              return new SimpleElementVisitor14<String, Void>() {
                  @Override
                  public String visitExecutable(ExecutableElement e, Void aVoid) {
                      return e.getSimpleName() + ":" + e.getParameters().size();
--- 698,708 ----
                  memberMap.computeIfPresent(kind, (k, v) -> Collections.unmodifiableMap(v));
                  memberMap.computeIfAbsent(kind, t -> Collections.emptyMap());
              }
          }
  
!         @SuppressWarnings("preview")
          String getMemberKey(Element e) {
              return new SimpleElementVisitor14<String, Void>() {
                  @Override
                  public String visitExecutable(ExecutableElement e, Void aVoid) {
                      return e.getSimpleName() + ":" + e.getParameters().size();