class Aws::S3::EncryptionV2::EncryptHandler

def apply_cse_user_agent(context)
  if context.config.user_agent_suffix.nil?
    context.config.user_agent_suffix = EC_USER_AGENT
  elsif !context.config.user_agent_suffix.include? EC_USER_AGENT
    context.config.user_agent_suffix += " #{EC_USER_AGENT}"
  end
end