任何类型都有合理的**默认值**，任何和地方都有可选配置。所有的参数被微调，来满足你的需求，定义成你需要的 API。

但是默认情况下，一切都能**“顺利工作”**。

### 验证 { #validation }

* 校验大部分（甚至所有？）的 Python **数据类型**，包括：
    * JSON 对象 (`dict`)。
    * JSON 数组 (`list`) 定义成员类型。
    * 字符串 (`str`) 字段，定义最小或最大长度。
    * 数字 (`int`, `float`) 有最大值和最小值，等等。

* 校验外来类型，比如：
    * URL。
    * Email。
    * UUID。
    * ...及其他。

所有的校验都由完善且强大的 **Pydantic** 处理。

internal fun Headers.commonValue(index: Int): String =
  namesAndValues.getOrNull(index * 2 + 1) ?: throw IndexOutOfBoundsException("value[$index]")

internal fun Headers.commonValues(name: String): List<String> {
  var result: MutableList<String>? = null
  for (i in 0 until size) {
    if (name.equals(name(i), ignoreCase = true)) {
      if (result == null) result = ArrayList(2)
      result.add(value(i))
    }
  }

		cause:      err,
	}
}

func errParseSelectMissingFrom(err error) *s3Error {
	return &s3Error{
		code:       "ParseSelectMissingFrom",
		message:    "The SQL expression contains a missing FROM after SELECT list.",
		statusCode: 400,
		cause:      err,
	}
}

func errParseExpectedIdentForGroupName(err error) *s3Error {
	return &s3Error{
		code:       "ParseExpectedIdentForGroupName",

  }

  /**
   * LinkedHashMultimap entries are in no less than three coexisting linked lists: a bucket in the
   * hash table for a {@code Set<V>} associated with a key, the linked list of insertion-ordered
   * entries in that {@code Set<V>}, and the linked list of entries in the LinkedHashMultimap as a
   * whole.
   */
  @VisibleForTesting
  static final class ValueEntry<K extends @Nullable Object, V extends @Nullable Object>

package org.apache.maven.lifecycle.internal.builder;

import javax.inject.Inject;
import javax.inject.Named;
import javax.inject.Singleton;

import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Set;

import org.apache.maven.api.MonotonicClock;
import org.apache.maven.artifact.Artifact;
import org.apache.maven.execution.BuildFailure;
import org.apache.maven.execution.ExecutionEvent;

import com.google.j2objc.annotations.WeakOuter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import org.jspecify.annotations.Nullable;

/**
 * Implementation of {@link Multimaps#filterEntries(Multimap, Predicate)}.
 *

of the configuration parameters used above - - `policies[].name` - name of the policy to create, must be a string with length > 0 - `policies[].statements[]` - list of statements, includes actions and resources - `policies[].statements[].resources[]` - list of resources that applies the statement - `policies[].statements[].actions[]` - list of actions granted ### Create user after install Install the chart, specifying the users you want to create after install: ```bash helm install --set users[0]...

of the configuration parameters used above - - `policies[].name` - name of the policy to create, must be a string with length > 0 - `policies[].statements[]` - list of statements, includes actions and resources - `policies[].statements[].resources[]` - list of resources that applies the statement - `policies[].statements[].actions[]` - list of actions granted ### Create user after install Install the chart, specifying the users you want to create after install: ```bash helm install --set users[0]...

of the configuration parameters used above - - `policies[].name` - name of the policy to create, must be a string with length > 0 - `policies[].statements[]` - list of statements, includes actions and resources - `policies[].statements[].resources[]` - list of resources that applies the statement - `policies[].statements[].actions[]` - list of actions granted ### Create user after install Install the chart, specifying the users you want to create after install: ```bash helm install --set users[0]...

FastAPI 為你提供了**預設值**，讓你不必在初期進行繁瑣的配置，一切都可以自動運作。如果你有更具體的需求，則可以進行調整和自定義，

但預設情況下，一切都「直接可用」。

### 驗證 { #validation }

* 驗證大部分（甚至所有？）的 Python **資料型別**，包括：
    * JSON 物件 (`dict`)。
    * JSON 陣列 (`list`) 定義項目型別。
    * 字串 (`str`) 欄位，定義最小或最大長度。
    * 數字 (`int`, `float`) 與其最大值和最小值等。

* 驗證外來的型別，比如:
    * URL
    * Email
    * UUID
    * ...等等。

所有的驗證都由完善且強大的 **Pydantic** 處理。