code: public void setReplyToAddresses(java.util.Collection<String> replyToAddresses) {
          if (replyToAddresses == null) {
              this.replyToAddresses = null;
              return;
          }
  
          this.replyToAddresses = new com.amazonaws.internal.SdkInternalList<String>(replyToAddresses);
      }
docs: <p>
  The reply-to email address(es) for the message. If the recipient replies to the message, each reply-to address
  will receive the reply.
  </p>
  
  @param replyToAddresses
  The reply-to email address(es) for the message. If the recipient replies to the message, each reply-to
  address will receive the reply.