package cmd

import (
	"bytes"
	"compress/gzip"
	"context"
	"encoding/json"
	"errors"
	"fmt"
	"math/rand"
	"net/url"
	"time"

	"github.com/minio/madmin-go/v3"
)

var callhomeLeaderLockTimeout = newDynamicTimeout(30*time.Second, 10*time.Second)

// initCallhome will start the callhome task in the background.
func initCallhome(ctx context.Context, objAPI ObjectLayer) {
	if !globalCallhomeConfig.Enabled() {

                testEncryptionKey, testDecryptionKey);

        // When/Then - Multiple closes should be safe
        assertDoesNotThrow(() -> {
            context.close();
            context.close();
            context.close();
        });

        assertTrue(context.isClosed());
    }

}

func (S Tracer) Warn(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Warn(ctx, s, i...)
}

func (S Tracer) Error(ctx context.Context, s string, i ...interface{}) {
	S.Logger.Error(ctx, s, i...)
}

func (S Tracer) Trace(ctx context.Context, begin time.Time, fc func() (sql string, rowsAffected int64), err error) {
	S.Logger.Trace(ctx, begin, fc, err)
	S.Test(ctx, begin, fc, err)

	Delete(ctx context.Context) (rowsAffected int, err error)
	Update(ctx context.Context, name string, value any) (rowsAffected int, err error)
	Updates(ctx context.Context, t T) (rowsAffected int, err error)
	Count(ctx context.Context, column string) (result int64, err error)
}

type ExecInterface[T any] interface {
	Scan(ctx context.Context, r interface{}) error
	First(context.Context) (T, error)

```java
import jcifs.CIFSContext;
import jcifs.context.BaseContext;
import jcifs.smb.NtlmPasswordAuthenticator;

// Create context with credentials
CIFSContext context = new BaseContext(new jcifs.config.PropertyConfiguration());
NtlmPasswordAuthenticator auth = new NtlmPasswordAuthenticator("domain", "username", "password");
CIFSContext authContext = context.withCredentials(auth);

// Use authenticated context

            // Reuse context map or create new
            entry.context = getContextMap();
            if (context != null) {
                entry.context.putAll(maskContext(context));
            }

            // Add MDC context efficiently
            addMdcContext(entry.context);

            // Process asynchronously or synchronously based on configuration

// specific error.
func toAdminAPIErrCode(ctx context.Context, err error) APIErrorCode {
	if errors.Is(err, errErasureWriteQuorum) {
		return ErrAdminConfigNoQuorum
	}
	return toAPIErrorCode(ctx, err)
}

// wraps export error for more context
func exportError(ctx context.Context, err error, fname, entity string) APIError {
	if entity == "" {

        assertFalse(context.hasDefaultCredentials());
    }

    @Test
    void testHasDefaultCredentials_withNull() {
        context = new TestAbstractCIFSContext(null); // Test with null credentials
        assertFalse(context.hasDefaultCredentials());
    }

    @Test
    void testRenewCredentials() {
        assertFalse(context.renewCredentials("someLocation", new Exception("someError")));
    }

    @Test

}

func readConfig(ctx context.Context, store objectIO, configFile string) ([]byte, error) {
	buf, _, err := readConfigWithMetadata(ctx, store, configFile, ObjectOptions{})
	return buf, err
}

type objectDeleter interface {
	DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (ObjectInfo, error)
}

func deleteConfig(ctx context.Context, objAPI objectDeleter, configFile string) error {

            throw new CIFSException("Preauth integrity context is invalid for session: " + sessionId);
        }

        try {
            byte[] newHash = calculateHash(context.getCurrentHash(), messageData, context.getHashAlgorithm());
            context.updateHash(newHash);

            log.debug("Updated preauth hash for session {} with {} bytes of data", sessionId, messageData.length);