}

// GetNonBlocking will return the singleton value or nil if not set yet.
func (s *Singleton[T]) GetNonBlocking() *T {
	select {
	case <-s.set:
		return s.v
	default:
		return nil
	}
}

// IsSet will return whether the singleton has been set.
func (s *Singleton[T]) IsSet() bool {
	select {
	case <-s.set:
		return true
	default:
		return false
	}
}

// Set the value and unblock all Get requests.

1. Click **Next step**.
1. Set "requestedAt" to the **Time Filter field name**.
1. Click **Create index pattern**.
1. Click **Saved Objects**.
1. Click **Import** and select "fess\_log.ndjson" to import example settings.
1. Click **Dashboard**.
1. Select "fess\_log" dashboard.
1. (Change the period from upper right if you want to do.)
## FAQ

#### Q. Kibana can't connect Elasticsearch.

                select(CommonBuilds.PROJECT_PATH_TEST, CommonBuilds.BUILD_PATH_COMPILE),
                Collections.singletonList(system),
                nonTransitiveDependencyScopes));
        result.add(internalScopeManager.createResolutionScope(
                RS_TEST_RUNTIME,
                InternalScopeManager.Mode.ELIMINATE,

		currentGlobalBuffer, ok := logChBuffers[name]
		logChLock.Unlock()
		if !ok {
			return
		}

		for _, v := range entries {
			select {
			case currentGlobalBuffer <- v:
			default:
			}
		}

		if mainWorker {
		drain:
			for {
				select {
				case v, ok := <-h.logCh:
					if !ok {
						break drain
					}

					currentGlobalBuffer <- v
				default:
					break drain

func getServiceAccountsName(kubeClient kube.CLIClient, toComplete, ns string) ([]string, error) {
	ctx := context.Background()
	saList, err := kubeClient.Kube().CoreV1().ServiceAccounts(ns).List(ctx, metav1.ListOptions{})
	if err != nil {
		return nil, err
	}

	var saNameList []string
	for _, sa := range saList.Items {
		if toComplete == "" || strings.HasPrefix(sa.Name, toComplete) {
			saNameList = append(saNameList, sa.Name)
		}

		progressTickerC = progressTicker.C
	}
	recordStagingTicker := time.NewTicker(500 * time.Millisecond)

	// Exit conditions:
	//
	// 1. If a writer.write() returns false, select loop below exits and
	// closes `doneCh` to indicate to caller to also exit.
	//
	// 2. If caller (Evaluate()) has an error, it sends an error
	// message and waits for this go-routine to quit in
	// FinishWithError()

from typing import Annotated, Union

from fastapi import Depends, FastAPI, HTTPException, Query
from sqlmodel import Field, Session, SQLModel, create_engine, select


class Hero(SQLModel, table=True):
    id: Union[int, None] = Field(default=None, primary_key=True)
    name: str = Field(index=True)
    age: Union[int, None] = Field(default=None, index=True)
    secret_name: str


sqlite_file_name = "database.db"

import java.net.ProxySelector
import java.net.SocketAddress
import java.net.URI

/**
 * A proxy selector that always returns the [Proxy.NO_PROXY].
 */
object NullProxySelector : ProxySelector() {
  override fun select(uri: URI?): List<Proxy> {
    requireNotNull(uri) { "uri must not be null" }
    return listOf(Proxy.NO_PROXY)
  }

  override fun connectFailed(
    uri: URI?,
    sa: SocketAddress?,
    ioe: IOException?,

    if (os == Os.WINDOWS) {
        script {
            name = "SETUP_VIRTUAL_DISK_FOR_PERF_TEST"
            executionMode = BuildStep.ExecutionMode.ALWAYS
            scriptContent = """
                subst p: /d
                subst p: "%teamcity.build.checkoutDir%"
            """.trimIndent()
            skipConditionally()
        }
    }
}

fun BuildType.cleanUpGitUntrackedFilesAndDirectories() {
    steps {

flag=$(./mc admin replicate info sitea --json | jq '.sites[] | select (.name=="sitea") | ."replicate-ilm-expiry"')
if [ "$flag" != "false" ]; then
	echo "BUG: ILM expiry replication not disabled for 'sitea'"
	exit 1
fi
flag=$(./mc admin replicate info siteb --json | jq '.sites[] | select (.name=="sitea") | ."replicate-ilm-expiry"')
if [ "$flag" != "false" ]; then