*       worse, and possibly better, than creating a mutable collection and copying it.
 *   <li>Implementations generally do not cache hash codes. If your element or key type has a slow
 *       {@code hashCode} implementation, it should cache it itself.
 * </ul>
 *
 * <h4>Example usage</h4>
 *
 * <pre>{@code
 * class Foo {
 *   private static final ImmutableSet<String> RESERVED_CODES =

      return new SampleElements<>("one", "two", "three", "four", "five");
    }

    @Override
    public SampleElements<String> sampleValues() {
      return new SampleElements<>("january", "february", "march", "april", "may");
    }

    @Override
    public Collection<String> createCollection(Iterable<? extends String> values) {
      return Lists.newArrayList(values);
    }

    @Override

ALTER TABLE public.log_usage ALTER COLUMN log_id ADD GENERATED BY DEFAULT AS IDENTITY (
    SEQUENCE NAME public.log_usage_log_id_seq
    START WITH 1
    INCREMENT BY 1
    NO MINVALUE
    NO MAXVALUE
    CACHE 1
);
	`).Error; err != nil {
		t.Fatalf("failed to create table, got error %v", err)
	}

	columns, err := DB.Migrator().ColumnTypes("log_usage")
	if err != nil {

}

// setEventStreamHeaders to allow proxies to avoid buffering proxy responses
func setEventStreamHeaders(w http.ResponseWriter) {
	w.Header().Set(xhttp.ContentType, "text/event-stream")
	w.Header().Set(xhttp.CacheControl, "no-cache") // nginx to turn off buffering
	w.Header().Set("X-Accel-Buffering", "no")      // nginx to turn off buffering
}

// Write http common headers
func setCommonHeaders(w http.ResponseWriter) {

    //
    // Used by Tycho and will break users and force them to upgrade to Maven 3.1 so we should really leave
    // this here, possibly indefinitely.
    //
    public ArtifactResolutionRequest setCache(RepositoryCache cache) {
        return this;
    }

* `expose_headers` - Indicate any response headers that should be made accessible to the browser. Defaults to `[]`.
* `max_age` - Sets a maximum time in seconds for browsers to cache CORS responses. Defaults to `600`.

The middleware responds to two particular types of HTTP request...

### CORS preflight requests

	// returns 'nil' once healing is complete or if the disk
	// has never been replaced.
	Healing() *healingTracker
	DiskInfo(ctx context.Context, opts DiskInfoOptions) (info DiskInfo, err error)
	NSScanner(ctx context.Context, cache dataUsageCache, updates chan<- dataUsageEntry, scanMode madmin.HealScanMode, shouldSleep func() bool) (dataUsageCache, error)

	// Volume operations.
	MakeVol(ctx context.Context, volume string) (err error)

        }

        /*
         * Create an NbtAddress for the local interface with
         * the name deduced above possibly with scope applied and
         * cache it forever.
         */
        Name localName = new Name(tc.getConfig(), localHostname, 0x00, tc.getConfig().getNetbiosScope());
        this.localhostAddress = new NbtAddress(
            localName,

| `minio_system_memory_buffers`    | Buffers memory on the node. <br><br>Type: gauge         | `server` |
| `minio_system_memory_cache`      | Cache memory on the node. <br><br>Type: gauge           | `server` |
| `minio_system_memory_shared`     | Shared memory on the node. <br><br>Type: gauge          | `server` |

    source1.close() // Not exhausted!
    assertThat(relay1.isClosed).isTrue()
    assertFailsWith<IOException> {
      read(file)
    }.also { expected ->
      assertThat(expected.message).isEqualTo("unreadable cache file")
    }
    assertFile(Relay.PREFIX_DIRTY, -1L, -1, null, null)
  }

  @Test
  fun redundantCallsToCloseAreIgnored() {
    val upstream = Buffer()
    upstream.writeUtf8("abcde")