buildFile """
            def childDirName = "child"
            def srcDir = layout.projectDir.dir("src").dir(providers.provider { childDirName })
            def outputDir = layout.buildDirectory.dir(providers.provider { childDirName })
            println "src dir 1: " + srcDir.get()
            println "output dir 1: " + outputDir.get()
            buildDir = "output/some-dir"

simpleMessageProperty.set("Hello, World from a Property!")
// Accessing a property
println(simpleMessageProperty.get())
// end::set-prop[]

// tag::set-prov[]
// Setting a provider
val simpleMessageProvider: Provider<String> = project.providers.provider { "Hello, World from a Provider!" }
// Accessing a provider
println(simpleMessageProvider.get())
// end::set-prov[]

// tag::introduction[]
abstract class MyIntroTask : DefaultTask() {
    @get:Input

import org.gradle.api.file.ProjectLayout
import org.gradle.api.internal.AbstractTask
import org.gradle.api.model.ObjectFactory
import org.gradle.api.provider.Property
import org.gradle.api.provider.Provider
import org.gradle.api.provider.ProviderFactory
import org.gradle.api.services.internal.BuildServiceProvider
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.InputDirectory

simpleMessageProperty.set("Hello, World from a Property!")
// Accessing a property
println(simpleMessageProperty.get())
// end::set-prop[]

// tag::set-prov[]
// Setting a provider
def simpleMessageProvider = project.providers.provider { "Hello, World from a Provider!" }
// Accessing a provider
println(simpleMessageProvider.get())
// end::set-prov[]

// tag::introduction[]
abstract class MyIntroTask extends DefaultTask {
    @Input

    }

    def "can finalize the value of a property using API"() {
        given:
        buildFile """
Integer counter = 0
def provider = providers.provider { [++counter, ++counter] }

def property = objects.listProperty(Integer)
property.set(provider)

assert property.get() == [1, 2]
assert property.get() == [3, 4]
property.finalizeValue()
assert property.get() == [5, 6]
assert property.get() == [5, 6]

import org.gradle.api.internal.file.collections.MinimalFileSet;
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.internal.tasks.TaskDependencyFactory;
import org.gradle.api.provider.Provider;
import org.gradle.api.tasks.util.PatternSet;
import org.gradle.internal.Factory;

import java.io.File;

<?xml version="1.0"?><project>
  <parent>
    <artifactId>wagon</artifactId>
    <groupId>org.apache.maven.wagon</groupId>
    <version>1.0-beta-2</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>wagon-provider-api</artifactId>
  <name>Maven Wagon API</name>
  <version>1.0-beta-2</version>
  <description>Maven Wagon API that defines the contract between different Wagon implementations</description>
  <dependencies>
    <dependency>

	// Install the providers in MeshConfig.
	if err = server.installProviders(ctx); err != nil {
		return
	}

	// Install a ServiceEntry for each provider to configure routing to the local provider host.
	err = server.installServiceEntries(ctx)
	return
}

type localServerImpl struct {
	id        resource.ID
	ns        namespace.Instance
	providers []Provider
}

    private final List<ClassPathProvider> providers = new ArrayList<ClassPathProvider>();

    public DefaultClassPathRegistry(ClassPathProvider... providers) {
        this.providers.addAll(Arrays.asList(providers));
    }

    @Override
    public ClassPath getClassPath(String name) {
        for (ClassPathProvider provider : providers) {
            ClassPath classpath = provider.findClassPath(name);

 */

package org.gradle.api.internal.provider


import org.gradle.api.provider.Provider
import org.gradle.internal.state.ManagedFactory

class ProvidersTest extends ProviderSpec<Integer> {
    @Override
    Provider providerWithNoValue() {
        return Providers.notDefined()
    }

    @Override
    Provider<Integer> providerWithValue(Integer value) {
        return Providers.of(value)
    }

    @Override