R Under development (unstable) (2025-02-08 r87709 ucrt) -- "Unsuffered Consequences"
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> library(testthat)
> library(R6)
> 
> test_check("R6")
R6Class C1: 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 C3: 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 C4: 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.
[ FAIL 0 | WARN 0 | SKIP 0 | PASS 622 ]
> 
> proc.time()
   user  system elapsed 
   4.01    0.78    4.78