classpath = classpath.plus(moduleRegistry.getExternalModule("asm").getClasspath());
            classpath = addJavaCompilerModules(classpath);
            return classpath;
        }
        if (name.equals("SCALA-COMPILER")) {
            ClassPath classpath = ClassPath.EMPTY;
            classpath = classpath.plus(moduleRegistry.getModule("gradle-scala").getImplementationClasspath());

        // the entire set of framework implementation dependencies from the distribution in order to ensure that all implementation
        // dependencies on the classpath share a version. This can _still_ lead to duplicates on the classpath, but it is at least
        // avoidable if the user adds junit-platform-launcher to their test runtime classpath, which they should be doing, since

        then:
        model.size() == 4
        model[0].message == "project :a classpath = 2"
        model[1].message == "project :b classpath = 1"
        model[2].message == "project :c classpath = 0"
        model[3].message == "project :d classpath = 0"

        and:
        fixture.assertStateStored {
            projectConfigured(":buildSrc")
            projectConfigured(":")

    }

    @Override
    public ClassPath transform(ClassPath classPath, StandardTransform transform) {
        if (classPath.isEmpty()) {
            return classPath;
        }
        return transformPipelineFor(transform).transform(classPath);

    }

    @FunctionalInterface
    private interface TransformPipeline {
        ClassPath transform(ClassPath original);
    }

            classpath = classpath.plus(moduleRegistry.getModule("gradle-dependency-management").getAllRequiredModulesClasspath());
            classpath = classpath.plus(moduleRegistry.getModule("gradle-plugin-use").getAllRequiredModulesClasspath());
            classpath = classpath.plus(moduleRegistry.getModule("gradle-workers").getAllRequiredModulesClasspath());

    writeCollection(classPath.asFiles) {
        writeFile(it)
    }
}


internal
fun Encoder.writeTransformedClassPath(classPath: TransformedClassPath) {
    writeCollection(classPath.asFiles.zip(classPath.asTransformedFiles)) {
        writeFile(it.first)
        writeFile(it.second)
    }
}


internal
fun Decoder.readClassPath(): ClassPath {
    val isTransformed = readBoolean()

import org.gradle.internal.classloader.FilteringClassLoader
import org.gradle.internal.classpath.transforms.ClassTransform
import org.gradle.internal.classpath.transforms.ClasspathElementTransformFactoryForAgent
import org.gradle.internal.classpath.transforms.ClasspathElementTransformFactoryForLegacy
import org.gradle.internal.classpath.types.GradleCoreInstrumentationTypeRegistry
import org.gradle.internal.configuration.inputs.InstrumentedInputs

        final String name;
        final List<URL> classpath;

        public String getName() {
            return name;
        }

        public Spec(String name, List<URL> classpath) {
            this.name = name;
            this.classpath = classpath;
        }

        public List<URL> getClasspath() {
            return classpath;
        }

        @Override

import org.gradle.internal.buildoption.InternalOptions
import org.gradle.internal.classloader.ClasspathHasher
import org.gradle.internal.classpath.CachedClasspathTransformer
import org.gradle.internal.classpath.ClassPath
import org.gradle.internal.classpath.DefaultClassPath
import org.gradle.internal.classpath.transforms.ClasspathElementTransformFactoryForLegacy
import org.gradle.internal.execution.ExecutionEngine

import org.gradle.api.GradleException;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.internal.classpath.DefaultModuleRegistry;
import org.gradle.api.internal.classpath.ModuleRegistry;
import org.gradle.api.logging.Logger;
import org.gradle.api.logging.Logging;
import org.gradle.internal.classpath.ClassPath;
import org.gradle.internal.concurrent.CompositeStoppable;
import org.gradle.internal.installation.CurrentGradleInstallation;