Some functions undefined

[bortzmeyer]

% elixir --version
Erlang/OTP 24 [erts-12.3.2.1] [source] [64-bit] [smp:12:12] [ds:12:12:10] [async-threads:1] [jit]

Elixir 1.12.2 (compiled with Erlang/OTP 24)

...
warning: :ssl.cipher_suites/0 is undefined or private, use cipher_suites/2,3 instead
  lib/socket/ssl.ex:55: Socket.SSL.ciphers/0

warning: :ssl.ssl_accept/2 is undefined or private, use ssl_handshake/1,2,3 instead
  lib/socket/ssl.ex:272: Socket.SSL.handshake/2

warning: :ssl.ssl_accept/3 is undefined or private, use ssl_handshake/1,2,3 instead
  lib/socket/ssl.ex:252: Socket.SSL.accept/2