code: public BulkRecipientsResponse getRecipients(String accountId, String envelopeId, String recipientId) throws ApiException {
      return getRecipients(accountId, envelopeId, recipientId, null);
    }
docs: Gets the bulk recipient file from an envelope.
  Retrieves the bulk recipient file information from an envelope that has a bulk recipient.
  @param accountId The external account number (int) or account ID Guid. (required)
  @param envelopeId The envelopeId Guid of the envelope being accessed. (required)
  @param recipientId The ID of the recipient being accessed. (required)
  @return BulkRecipientsResponse