class Aws::CredentialProviderChain

def process_credentials(options)
  profile_name = determine_profile_name(options)
  if Aws.shared_config.config_enabled?
    process_provider = Aws.shared_config.credential_process(profile: profile_name)
    ProcessCredentials.new([process_provider]) if process_provider
  end
rescue Errors::NoSuchProfileError
  nil
end