"sync/atomic"
	"time"
)

const (
	// betaBucket is the weight used to calculate exponential moving average
	betaBucket = 0.1 // Number of averages considered = 1/(1-betaObject)
)

// bucketMeasurement captures the bandwidth details for one bucket
type bucketMeasurement struct {
	lock                 sync.Mutex
	bytesSinceLastWindow uint64    // Total bytes since last window was processed

John Howard <******@****.***> 1602131566 -0700

Brian Avery <******@****.***> 1620951743 -0400

import static com.google.common.base.Preconditions.checkArgument;

import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import javax.annotation.CheckForNull;

/**
 * Captures a free type variable that can be used in {@link TypeToken#where}. For example:
 *
 * <pre>{@code
 * static <T> TypeToken<List<T>> listOf(Class<T> elementType) {
 *   return new TypeToken<List<T>>() {}

//      restore it, and attach it to the associated variable object.
//   4) For each polymorphic function, associate it with the appropriate
//      concrete function(s).
//   5) For each function with captures, bind the appropriate objects as
//      captured inputs.
//   6) Take the fully-prepared objects, and build them into a hierarchy.
//   7) Return the prepared model.

// Converts a SavedUserObject into its corresponding data structure.

        <span class="badge-text">How to Use Build Scans&nbsp;&nbsp;&nbsp;&gt;</span>
    </a>
</div>
++++

A build scan is a *representation of metadata captured* as you run your build.

image::gradle-basic-1.png[]

== Build Scans
Gradle captures your build metadata and sends it to the link:https://scans.gradle.com/[Build Scan Service].
The service then transforms the metadata into information you can analyze and share with others.

import static com.google.common.base.Preconditions.checkArgument;

import java.lang.reflect.Type;
import java.lang.reflect.TypeVariable;
import javax.annotation.CheckForNull;

/**
 * Captures a free type variable that can be used in {@link TypeToken#where}. For example:
 *
 * <pre>{@code
 * static <T> TypeToken<List<T>> listOf(Class<T> elementType) {
 *   return new TypeToken<List<T>>() {}

/**
 * This operation represents the work of analyzing the task's inputs plus the calculating the cache key.
 *
 * <p>
 * These two operations should be captured separately, but for historical reasons we don't yet do that.
 * To reproduce this composite operation we capture across executors by starting an operation
 * in {@link MarkSnapshottingInputsStartedStep} and finished in {@link MarkSnapshottingInputsFinishedStep}.
 * </p>
 */

        val signature = value.implMethodSignature
        val paramTypes: Array<Type> = getArgumentTypes(signature)

        // Treat all parameters equally, regardless of whether they are implicit captured parameters or the lambda signature ones.
        // If any of them is of an unsupported type, a build that runs from the serialized state won't be able to provide an instance anyway.
        paramTypes.forEach { paramType ->

        } else {
            assert stdStreams.stdOut.findAll(OUT).size() == 2
            assert stdStreams.stdOut.findAll(ERR).size() == 2
        }
    }

    def "output is captured if unexpected build exception is thrown"() {
        given:
        Writer standardOutput = new StringWriter()
        Writer standardError = new StringWriter()
        buildFile << helloWorldWithStandardOutputAndError()