module OmniAuth::Strategies::Oidc::Verify

def pkce_authorize_params(verifier)

https://tools.ietf.org/html/rfc7636#appendix-A
def pkce_authorize_params(verifier)
  {
    code_challenge: options.pkce_options[:code_challenge].call(verifier),
    code_challenge_method: options.pkce_options[:code_challenge_method]
  }
end