* limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkState;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

/** Precondition checks useful in collection implementations. */
@GwtCompatible
final class CollectPreconditions {

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.base.Preconditions.checkState;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

/** Precondition checks useful in collection implementations. */
@GwtCompatible
final class CollectPreconditions {

	"github.com/minio/minio/internal/hash"
	xhttp "github.com/minio/minio/internal/http"
)

var etagRegex = regexp.MustCompile("\"*?([^\"]*?)\"*?$")

// Validates the preconditions for CopyObjectPart, returns true if CopyObjectPart
// operation should not proceed. Preconditions supported are:
//
//	x-amz-copy-source-if-modified-since
//	x-amz-copy-source-if-unmodified-since
//	x-amz-copy-source-if-match
//	x-amz-copy-source-if-none-match

```
curl http://minio1:9001/minio/health/cluster?maintenance=true
HTTP/1.1 412 Precondition Failed
Accept-Ranges: bytes
Content-Length: 0
Server: MinIO
Vary: Origin
X-Amz-Bucket-Region: us-east-1

import org.jspecify.annotations.Nullable;

/**
 * Static convenience methods that help a method or constructor check whether it was invoked
 * correctly (that is, whether its <i>preconditions</i> were met).
 *
 * <p>If the precondition is not met, the {@code Preconditions} method throws an unchecked exception
 * of a specified type, which helps the method in which the exception was thrown communicate that

    }

    /**
     * Asserts that the argument is valid.
     *
     * @param argName
     *            The name of the argument that must not be invalid.
     * @param expression
     *            The precondition.
     * @param description
     *            The description of why the argument is invalid.
     * @throws ClIllegalArgumentException
     *             If {@code expression} is false.
     */

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkElementIndex;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkPositionIndex;
import static com.google.common.base.Preconditions.checkPositionIndexes;
import static com.google.common.base.Preconditions.checkState;

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkElementIndex;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkPositionIndex;
import static com.google.common.base.Preconditions.checkPositionIndexes;
import static com.google.common.base.Preconditions.checkState;

)

//go:generate msgp -file $GOFILE -io=false -tests=false -unexported=false

//msgp:ignore ObjectOptions TransitionOptions DeleteBucketOptions

// CheckPreconditionFn returns true if precondition check failed.
type CheckPreconditionFn func(o ObjectInfo) bool

// EvalMetadataFn validates input objInfo and GetObjectInfo error and returns an updated metadata and replication decision if any

func isErrSignatureDoesNotMatch(err error) bool {
	var signatureDoesNotMatch SignatureDoesNotMatch
	return errors.As(err, &signatureDoesNotMatch)
}

// PreConditionFailed - Check if copy precondition failed
type PreConditionFailed struct{}

func (e PreConditionFailed) Error() string {
	return "At least one of the pre-conditions you specified did not hold"
}

func isErrPreconditionFailed(err error) bool {