}

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testCompute_presentNullToNull() {
    // The spec is somewhat ambiguous about this case, but the actual default implementation
    // in Map will remove a present null.
    initMapWithNullValue();
    assertNull(
        "Map.compute(presentMappedToNull, functionReturningNull) should return null",

  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE, ALLOWS_NULL_VALUES})
  @CollectionSize.Require(absent = ZERO)
  public void testCompute_presentNullToNull() {
    // The spec is somewhat ambiguous about this case, but the actual default implementation
    // in Map will remove a present null.
    initMapWithNullValue();
    assertNull(
        "Map.compute(presentMappedToNull, functionReturningNull) should return null",

That way, in many cases you can learn about containers and Docker and reuse that knowledge with many different tools and components.

<img src="/img/tutorial/response-status-code/image01.png">

/// note | 注意

有些回應碼（見下一節）表示回應不包含本文（body）。

FastAPI 知道這點，並會產生聲明「無回應本文」的 OpenAPI 文件。

///

## 關於 HTTP 狀態碼 { #about-http-status-codes }

/// note | 注意

如果你已經知道什麼是 HTTP 狀態碼，可以直接跳到下一節。

///

在 HTTP 中，你會在回應的一部分傳回 3 位數的狀態碼。

這些狀態碼有對應的名稱以便辨識，但重點是數字本身。

簡而言之：

* `100 - 199` 表示「資訊」。你很少會直接使用它們。這些狀態碼的回應不可包含本文。

- `DecryptKey`: Takes a key ID and an encrypted data key and returns the plain data key - the decryption of the encrypted data key using the master key referenced by the key ID - on success or an error otherwise.

More details about supported KMS implementations and configuration can be found at the [KMS guide](https://github.com/minio/minio/blob/master/docs/kms/README.md).

             * -missing because we have tons of missing @returns and @param.
             * -serial because we don't use java serialization.
             */
            // don't even think about passing args with -J-xxx, oracle will ask you to submit a bug report :)
            // fail on all javac warnings.
            // TODO Discuss moving compileOptions.getCompilerArgs() to use provider api with Gradle team.

import java.util.Map;
import java.util.Objects;
import org.jspecify.annotations.Nullable;

/**
 * Static utility methods pertaining to {@code com.google.common.base.Function} instances; see that
 * class for information about migrating to {@code java.util.function}.
 *
 * <p>All methods return serializable functions as long as they're given serializable parameters.
 *
 * <p>See the Guava User Guide article on <a

            throw new GraphConflictResolutionException("graph with an entry, but not vertices do not exist");
        }

        if (graph.isEmptyEdges()) {
            return null; // no edges - nothing to worry about
        }

        final TreeSet<MetadataGraphVertex> vertices = graph.getVertices();

        try {
            // edge case - single vertex graph
            if (vertices.size() == 1) {

          "maxIntermediateCas < 0: $maxIntermediateCas"
        }
        this.maxIntermediateCas = maxIntermediateCas
      }

    /**
     * Configure the certificate to generate a 256-bit ECDSA key, which provides about 128 bits of
     * security. ECDSA keys are noticeably faster than RSA keys.
     *
     * This is the default configuration and has been since this API was introduced in OkHttp

* Set the `Cache-Control: no-cache` header to **prevent caching** of the stream.
* Set a special header `X-Accel-Buffering: no` to **prevent buffering** in some proxies like Nginx.