```go
package main

import (
	"context"
	"log"
	"net/url"
	"time"
	"fmt"

	"github.com/minio/minio-go/v7"
	"github.com/minio/minio-go/v7/pkg/credentials"
)

func main() {

    boolean isError();

    /**
     * Set error status
     */
    void error();

    /**
     * Gets the expiration time for this response.
     *
     * @return the message timeout
     */
    Long getExpiration();

    /**
     * Sets the expiration time for this response.
     *
     * @param exp the message timeout to set
     */
    void setExpiration(Long exp);

    /**

* `datetime.date`:
    * `datetime.date` de Python.
    * En requests y responses se representará como un `str` en formato ISO 8601, como: `2008-09-15`.
* `datetime.time`:
    * Un `datetime.time` de Python.
    * En requests y responses se representará como un `str` en formato ISO 8601, como: `14:23:55.003`.
* `datetime.timedelta`:
    * Un `datetime.timedelta` de Python.

func parseAmzDateHeader(req *http.Request) (time.Time, APIErrorCode) {
	for _, amzDateHeader := range amzDateHeaders {
		amzDateStr := req.Header.Get(amzDateHeader)
		if amzDateStr != "" {
			t, err := amztime.Parse(amzDateStr)
			if err != nil {
				return time.Time{}, ErrMalformedDate
			}
			return t, ErrNone
		}
	}
	// Date header missing.
	return time.Time{}, ErrMissingDateHeader
}

	}

	// Wait until the specified time before executing the signal.
	if t := vars.Get(peerRESTExecAt); t != "" {
		execAt, err := time.Parse(time.RFC3339Nano, vars.Get(peerRESTExecAt))
		if err != nil {
			logger.LogIf(GlobalContext, "signalservice", err)
			execAt = time.Now().Add(restartUpdateDelay)
		}
		if d := time.Until(execAt); d > 0 {
			time.Sleep(d)
		}
	}
	signal := serviceSignal(si)

     *
     * @return the document count
     */
    long getDocumentSize();

    /**
     * Returns the total execution time for index update operations.
     *
     * @return the execution time in milliseconds
     */
    long getExecuteTime();

    /**
     * Commits all pending index update operations to ensure data persistence.

        setTree(c, tree);

        // Act: first acquire triggers tree.acquire()
        c.acquire();
        verify(tree, times(1)).acquire();

        // Act: second acquire does not call tree.acquire again
        c.acquire();
        verify(tree, times(1)).acquire();

        // Act: first release does not release yet (usage -> 1)
        c.release();
        verify(tree, never()).release();

// - ttl: The time-to-live duration for each prepared statement in the store. Statements older than this duration will be automatically removed.
//
// Returns:
// - A pointer to a PreparedStmtDB instance, which manages prepared statements using the provided connection pool and configuration.
func NewPreparedStmtDB(connPool ConnPool, maxSize int, ttl time.Duration) *PreparedStmtDB {
	return &PreparedStmtDB{

import static org.mockito.ArgumentMatchers.same;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;

package com.google.common.base;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import java.time.Duration;

/** This class is for {@code com.google.common.base} use only! */
@J2ktIncompatible
@GwtIncompatible // java.time.Duration
final class Internal {

  /**
   * Returns the number of nanoseconds of the given duration without throwing or overflowing.
   *