return ""
	}
	return buildid.HashToString(sum)
}

var (
	counterCacheHit  = telemetry.NewCounter("go/buildcache/hit")
	counterCacheMiss = telemetry.NewCounter("go/buildcache/miss")

	onceIncStdlibRecompiled sync.Once
	stdlibRecompiled        = telemetry.NewCounter("go/buildcache/stdlib-recompiled")
)

// useCache tries to satisfy the action a, which has action ID actionHash,

FeaturePreviews.Feature.values().forEach { feature ->
    if (feature.isActive) {
        enableFeaturePreview(feature.name)
    }
}

fun remoteBuildCacheEnabled(settings: Settings) = settings.buildCache.remote?.isEnabled == true

fun getBuildJavaHome() = System.getProperty("java.home")

gradle.settingsEvaluated {
    if ("true" == System.getProperty("org.gradle.ignoreBuildJavaVersionCheck")) {

     *
     * @since 3.5
     */
    BuildCacheConfiguration getBuildCache();

    /**
     * Configures build cache.
     *
     * @since 3.5
     */
    void buildCache(Action<? super BuildCacheConfiguration> action);

    /**
     * Configures plugin management.
     *
     * @since 3.5
     */
    @Configuring

```kotlin
buildCache {
    local {
        // Remove this line
        removeUnusedEntriesAfterDays = 30
    }
}
```

add a file like this in `~/.gradle/init.d`:
```kotlin
beforeSettings {
    caches {
        buildCache.setRemoveUnusedEntriesAfterDays(30)
    }
}
```

            def buildCachePath = TextUtil.normaliseFileSeparators(buildCacheDir.absolutePath)

            settingsFile = root.file('settings.gradle') << """
                buildCache {
                    local {
                        directory = file('${buildCachePath}')
                    }
                }
            """

            buildFile = root.file('build.gradle') << """

Method <org.gradle.caching.configuration.BuildCache.isEnabled()> does not have raw return type assignable to org.gradle.api.provider.Property in (BuildCache.java:0)
Method <org.gradle.caching.configuration.BuildCache.isPush()> does not have raw return type assignable to org.gradle.api.provider.Property in (BuildCache.java:0)