///

```Python hl_lines="10"
{!> ../../docs_src/header_params/tutorial002.py!}
```

////

/// warning

Before setting `convert_underscores` to `False`, bear in mind that some HTTP proxies and servers disallow the usage of headers with underscores.

///

## Duplicate headers

It is possible to receive duplicate headers. That means, the same header with multiple values.

package dsync

import (
	"math/rand"
	"time"
)

func backoffWait(min, unit, cap time.Duration) func(*rand.Rand, uint) time.Duration {
	if unit > time.Hour {
		// Protect against integer overflow
		panic("unit cannot exceed one hour")
	}
	return func(r *rand.Rand, attempt uint) time.Duration {
		sleep := min
		sleep += unit * time.Duration(attempt)
		if sleep > cap {
			sleep = cap
		}

        }
    }
    public static class TimeOfDayInfo extends NdrObject {

        public int elapsedt;
        public int msecs;
        public int hours;
        public int mins;
        public int secs;
        public int hunds;
        public int timezone;
        public int tinterval;
        public int day;
        public int month;
        public int year;

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Max;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Size;

/**
 * @author codelibs
 * @author Keiichi Watanabe
 */
public class CreateForm {

    @ValidateTypeFailure
    public Integer crudMode;

    @Required

# Fan-Out Uploads [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/)

## Overview

# Bucket Versioning Design Guide [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io) [![Docker Pulls](https://img.shields.io/docker/pulls/minio/minio.svg?maxAge=604800)](https://hub.docker.com/r/minio/minio/)

## Description of `xl.meta`

`xl.meta` is a new self describing backend format used by MinIO to support AWS S3 compatible versioning.
This file is the source of truth for each `version` at rest. `xl.meta` is a msgpack file serialized from a

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Max;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Size;

/**
 * @author codelibs
 * @author Shunji Makino
 * @author Keiichi Watanabe
 */
public class CreateForm {

    @ValidateTypeFailure

 *
 * @see <a href="https://maven.apache.org/guides/plugin/guide-java-plugin-development.html" target="_blank">Guide to Developing Java Plugins</a>
 * @see <a href="https://maven.apache.org/guides/mini/guide-configuring-plugins.html" target="_blank">Guide to Configuring Plug-ins</a>
 * @see <a href="https://maven.apache.org/developers/mojo-api-specification.html" target="_blank">Mojo API Specification</a>
 *
 */

    assertThrows(IllegalArgumentException.class, () -> min());
  }

  public void testMin() {
    assertThat(min(LEAST)).isEqualTo(LEAST);
    assertThat(min(GREATEST)).isEqualTo(GREATEST);
    assertThat(
            min((double) 8, (double) 6, (double) 7, (double) 5, (double) 3, (double) 0, (double) 9))
        .isEqualTo((double) 0);

    assertThat(min(-0.0, 0.0)).isEqualTo(-0.0);

import org.lastaflute.web.validation.Required;
import org.lastaflute.web.validation.theme.conversion.ValidateTypeFailure;

import jakarta.validation.constraints.Max;
import jakarta.validation.constraints.Min;
import jakarta.validation.constraints.Pattern;
import jakarta.validation.constraints.Size;

/**
 * @author codelibs
 * @author Shunji Makino
 * @author Keiichi Watanabe
 */
public class CreateForm {