R6Class finalize() method is public, but it should be private as of R6 2.4.0

[renkun-ken]

When the package is installed, it complains about the finalize() method defined by R6 classes with latest R6 2.5.1.9000:

✔  checking for file ‘/Users/ken/Workspaces/github/languageserver/DESCRIPTION’ ...
─  preparing ‘languageserver’: (2.1s)
✔  checking DESCRIPTION meta-information ...
─  cleaning src
─  checking for LF line-endings in source and make files and shell scripts (497ms)
─  checking for empty or unneeded directories
   Removed empty directory ‘languageserver/tests/testthat/_snaps’
─  building ‘languageserver_0.3.12.9000.tar.gz’
   
Running /Library/Frameworks/R.framework/Versions/4.2/Resources/bin/R CMD \
  INSTALL \
  /var/folders/8n/fdyp8ztd42gd2s61p6nzqrgh0000gn/T//RtmpScjVqI/languageserver_0.3.12.9000.tar.gz \
  --install-tests 
* installing to library ‘/Users/ken/Library/R/x86_64/4.2/library’
* installing *source* package ‘languageserver’ ...
** using staged installation
** libs
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Versions/4.2/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c fsm.c -o fsm.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Versions/4.2/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c languageserver.c -o languageserver.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Versions/4.2/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c reader.c -o reader.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Versions/4.2/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c search.c -o search.o
clang -mmacosx-version-min=10.13 -I"/Library/Frameworks/R.framework/Versions/4.2/Resources/include" -DNDEBUG   -I/usr/local/include   -fPIC  -Wall -g -O2  -c stack.c -o stack.o
clang -mmacosx-version-min=10.13 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -single_module -multiply_defined suppress -L/Library/Frameworks/R.framework/Versions/4.2/Resources/lib -L/usr/local/lib -o languageserver.so fsm.o languageserver.o reader.o search.o stack.o -F/Library/Frameworks/R.framework/Versions/4.2 -framework R -Wl,-framework -Wl,CoreFoundation
installing to /Users/ken/Library/R/x86_64/4.2/library/00LOCK-languageserver/00new/languageserver/libs
** R
** inst
** tests
** byte-compile and prepare package for lazy loading
R6Class LanguageBase: finalize() method is public, but it should be private as of R6 2.4.0. This code will continue to work, but in a future version of R6, finalize() will be required to be private.
R6Class LanguageClient: finalize() method is public, but it should be private as of R6 2.4.0. This code will continue to work, but in a future version of R6, finalize() will be required to be private.
R6Class LanguageServer: finalize() method is public, but it should be private as of R6 2.4.0. This code will continue to work, but in a future version of R6, finalize() will be required to be private.
R6Class Session: finalize() method is public, but it should be private as of R6 2.4.0. This code will continue to work, but in a future version of R6, finalize() will be required to be private.
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (languageserver)
* ```