TransformAction<?> transformAction = newTransformAction(inputArtifactProvider, dependencies, inputChanges);
        DefaultTransformOutputs transformOutputs = new DefaultTransformOutputs(inputArtifactProvider.get().getAsFile(), outputDir, fileLookup);
        transformAction.transform(transformOutputs);
        return transformOutputs.getRegisteredOutputs();
    }

import org.gradle.api.Plugin
import org.gradle.api.Project
import org.gradle.api.artifacts.Configuration
import org.gradle.api.artifacts.transform.InputArtifact
import org.gradle.api.artifacts.transform.TransformAction
import org.gradle.api.artifacts.transform.TransformOutputs
import org.gradle.api.artifacts.transform.TransformParameters
import org.gradle.api.artifacts.type.ArtifactTypeDefinition

    }

    static abstract class TestTransform implements TransformAction<Parameters> {
        static class Parameters implements TransformParameters {
            String value
        }

        @Override
        void transform(TransformOutputs outputs) {
        }
    }

    static abstract class ParameterlessTestTransform implements TransformAction<TransformParameters.None> {
        @Override

import org.gradle.api.artifacts.transform.CacheableTransform;
import org.gradle.api.artifacts.transform.InputArtifact;
import org.gradle.api.artifacts.transform.InputArtifactDependencies;
import org.gradle.api.artifacts.transform.TransformAction;
import org.gradle.api.artifacts.transform.TransformParameters;
import org.gradle.api.internal.DomainObjectContext;
import org.gradle.api.internal.artifacts.TransformRegistration;

            error(invalidUseOfCacheableAnnotationConfig { type('MyTask.Options').invalidAnnotation('DisableCachingByDefault').onlyMakesSenseOn('Task', 'TransformAction') }, "validation_problems", "invalid_use_of_cacheable_annotation"),
        ])

        and:

        setupBuildWithColorTransform()
        setupExternalDependency()
        buildFile << """
            @CacheableTransform
            abstract class MakeGreen implements TransformAction<TransformParameters.None> {
                @PathSensitive(PathSensitivity.RELATIVE)
                @NormalizeLineEndings
                @InputArtifact

            apply plugin:'java-library'
        """

        buildFile << """
            import org.gradle.api.artifacts.transform.TransformParameters
            import org.gradle.api.artifacts.transform.TransformAction

            plugins {
                id 'java'
                id 'application'
            }

            def artifactType = Attribute.of('artifactType', String)

import com.google.gson.Gson;
import org.gradle.api.Task;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.artifacts.transform.CacheableTransform;
import org.gradle.api.artifacts.transform.TransformAction;
import org.gradle.api.file.ConfigurableFileCollection;
import org.gradle.api.file.EmptyFileVisitor;
import org.gradle.api.file.FileVisitDetails;
import org.gradle.api.file.RegularFileProperty;

            def usage = Attribute.of('usage', String)
            def artifactType = Attribute.of('artifactType', String)

            abstract class FileSizer implements TransformAction<Parameters> {
                interface Parameters extends TransformParameters {
                    @Input
                    String getSuffix()
                    void setSuffix(String suffix)
                }

        """
        buildFile << """
            ${showTransformedFilesTask}
            ${unzipTransform}

            @CacheableTransform
            abstract class AugmentTransform implements TransformAction<Parameters> {
                interface Parameters extends TransformParameters {
                    @InputFiles
                    @PathSensitive(PathSensitivity.RELATIVE)