latch.countDown();
    }

    boolean awaitClosed() {
      return awaitUninterruptibly(latch, 10, SECONDS);
    }

    boolean stillOpen() {
      return !awaitUninterruptibly(latch, 1, SECONDS);
    }

    @Override
    public String toString() {
      return name;
    }
  }

  static final class Waiter {

	// Anonymous request return quickly.
	if accessKey == "" || secretKey == "" {
		return req, nil
	}

	for k, v := range headers {
		req.Header.Set(k, v)
	}

	err = signRequestV2(req, accessKey, secretKey)
	if err != nil {
		return nil, err
	}

	return req, nil
}

// Returns new HTTP request object signed with signature v4.

				return
			}
		default:
			bts, err = msgp.Skip(bts)
			if err != nil {
				err = msgp.WrapError(err)
				return
			}
		}
	}
	o = bts
	return
}

// Msgsize returns an upper bound estimate of the number of bytes occupied by the serialized message
func (z LockResp) Msgsize() (s int) {
	s = 1 + 5 + msgp.Uint8Size + 4 + msgp.StringPrefixSize + len(z.Err)
	return
}

        if (value == null) {
            return defaultValue;
        }
        if (value instanceof Boolean boolValue) {
            return boolValue;
        }
        return Boolean.parseBoolean(value.toString());
    }

    /**
     * Gets a List of Strings from the map.
     * This method handles both String and List<String> values:
     * - If the value is null, returns an empty list

     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return Constants.DEFAULT_ADMIN_PAGE_NUMBER;
    }

    /**
     * Gets the default page size from system configuration.
     *
     * @return the default page size
     */
    protected int getDefaultPageSize() {

     *
     * @return the default current page number
     */
    protected int getDefaultCurrentPageNumber() {
        return DEFAULT_CURRENT_PAGE_NUMBER;
    }

    /**
     * Gets the total number of records across all pages.
     *
     * @return the total record count
     */
    public int getAllRecordCount() {
        return allRecordCount;
    }

    /**

	if err != nil {
		return err
	}
	return conn.Ping()
}

type PreparedStmtTX struct {
	Tx
	PreparedStmtDB *PreparedStmtDB
}

func (db *PreparedStmtTX) GetDBConn() (*sql.DB, error) {
	return db.PreparedStmtDB.GetDBConn()
}

func (tx *PreparedStmtTX) Commit() error {
	if tx.Tx != nil && !reflect.ValueOf(tx.Tx).IsNil() {
		return tx.Tx.Commit()
	}
	return ErrInvalidTransaction
}

 */
public class TemplateUtils {

    /**
     * Applies {@code bindings} to {@code template}, then removes all carriage returns from
     * the result.
     *
     * @param template a Groovy template
     * @param bindings parameters for the template
     * @return the rendered template
     */
    public static String render(String template, Map<String, Object> bindings) throws IOException {

  if (!s.ok()) {
    return nullptr;
  }
  s = op->AddInputList(gradient_tensors);
  if (!s.ok()) {
    return nullptr;
  }

  int num_outputs = 1;
  std::vector<AbstractTensorHandle*> outputs(num_outputs);
  s = op->Execute(absl::Span<AbstractTensorHandle*>(outputs), &num_outputs);
  if (!s.ok()) {
    return nullptr;
  }
  return outputs[0];
}

   */
  @SuppressWarnings({"InlineLambdaConstant", "UnnecessaryLambda"})
  private static final Runnable EMPTY_RUNNABLE = () -> {};

  /** Returns a {@link Runnable} instance that does nothing when run. */
  public static Runnable doNothing() {
    return EMPTY_RUNNABLE;
  }

  private Runnables() {}