import org.gradle.api.internal.provider.AbstractMinimalProvider;
import org.gradle.api.internal.provider.BiProvider;
import org.gradle.api.internal.provider.DefaultProperty;
import org.gradle.api.internal.provider.MappingProvider;
import org.gradle.api.internal.provider.PropertyHost;
import org.gradle.api.internal.provider.Providers;
import org.gradle.api.provider.Provider;
import org.gradle.internal.Cast;

        }
    }.toMap()


/**
 * Creates a [Provider] that returns `true` when this [Provider] has a value
 * and `false` otherwise. The returned [Provider] always has a value.
 * @see Provider.isPresent
 */
private
fun <T> Provider<T>.presence(): Provider<Boolean> =
    map { true }.orElse(false)


fun Project.gradleProperty(propertyName: String) = providers.gradleProperty(propertyName)

import org.gradle.api.internal.provider.MapCollectors.EntryWithValueFromProvider;
import org.gradle.api.internal.provider.MapCollectors.SingleEntry;
import org.gradle.api.provider.MapProperty;
import org.gradle.api.provider.Provider;
import org.gradle.internal.Cast;

import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;

import org.gradle.BuildAdapter;
import org.gradle.BuildResult;
import org.gradle.api.internal.GradleInternal;
import org.gradle.api.internal.provider.ProviderInternal;
import org.gradle.api.internal.provider.Providers;
import org.gradle.api.provider.Provider;
import org.gradle.api.services.internal.RegisteredBuildServiceProvider;
import org.gradle.build.event.BuildEventsListenerRegistry;

        def provider = producer()

        assert provider.isPresent()
        assert provider.name == name

        def provider2 = configurationContainer.named(name)

        assert provider2.isPresent()
        assert provider2.name == name

        def value = provider.get()

        action(value)

        value = provider2.get()

        action(value)

		serviceCluster = proxy.XdsNode.Cluster
	}
	switch provider := providerCfg.Provider.(type) {
	case *meshconfig.MeshConfig_ExtensionProvider_Zipkin:
		maxTagLength = provider.Zipkin.GetMaxTagLength()
		providerName = envoyZipkin
		providerConfig = func() (*anypb.Any, error) {
			hostname, cluster, err := clusterLookupFn(pushCtx, provider.Zipkin.GetService(), int(provider.Zipkin.GetPort()))
			if err != nil {

	var kmsUsed kmsState

	for _, provider := range config.Providers {
		provider := provider
		var (
			transformer    storagevalue.PrefixTransformer
			transformerErr error
			probe          healthChecker
			used           *kmsState
		)

		switch {
		case provider.AESGCM != nil:

        where:
        type               | reference                                 | output
        "Provider<String>" | "providers.provider { 'value' }"          | "value"
        "Provider<String>" | "providers.provider { null }"             | "null"
        "Provider<String>" | "objects.property(String).value('value')" | "value"
        "Provider<String>" | "objects.property(String)"                | "null"
    }

		Metrics: []*tpb.Metrics{
			{
				Providers: []*tpb.ProviderRef{{Name: "prometheus"}},
			},
		},
	}
	overridesPrometheus := &tpb.Telemetry{
		Metrics: []*tpb.Metrics{
			{
				Providers: []*tpb.ProviderRef{{Name: "prometheus"}},
				Overrides: overrides,
			},
		},
	}
	reportingInterval := &tpb.Telemetry{
		Metrics: []*tpb.Metrics{
			{
				Providers:         []*tpb.ProviderRef{{Name: "prometheus"}},

        def configurationCache = newConfigurationCacheFixture()
        buildFile '''
            def userProvider = providers.gradleProperty("ci").map { "" }.orElse(providers.systemProperty("user"))
            def versionMajorProvider = providers.gradleProperty("versionMajor").orElse("1")
            def versionMinorProvider = providers.gradleProperty("versionMinor").orElse("2")
            def versionNameProvider = versionMajorProvider