public GroovyRecompilationSpecProvider(
        Deleter deleter,
        FileOperations fileOperations,
        FileTree sources,
        boolean incremental,
        Iterable<FileChange> sourceChanges
    ) {
        super(deleter, fileOperations, sources, sourceChanges, incremental);
    }

    /**
     * For all classes with Java source that we will be recompiled due to some change, we need to recompile all subclasses.

        0 * _
    }

    def "fails when no outputs with incremental task action"() {
        when:
        repository.getExecutionMode(task, taskProperties)

        then:
        def ex = thrown InvalidUserCodeException
        ex.message == "You must declare outputs or use `TaskOutputs.upToDateWhen()` when using the incremental task API"

        1 * taskProperties.hasDeclaredOutputs() >> false

    @Override
    void transform(TransformOutputs outputs) {
        def outputDir = outputs.dir("${input.get().asFile.name}.loc")
        println("Running transform on ${input.get().asFile.name}, incremental: ${inputChanges.incremental}")
        inputChanges.getFileChanges(input).forEach { change ->          // <2>
            def changedFile = change.file
            if (change.fileType != FileType.FILE) {
                return

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.api.internal.tasks.compile.incremental.classpath;

import org.gradle.api.internal.tasks.compile.incremental.deps.ClassSetAnalysisData;

import java.io.File;

public interface ClassSetAnalyzer {
    ClassSetAnalysisData analyzeClasspathEntry(File classpathEntry);

import org.gradle.api.internal.tasks.compile.incremental.processing.IncrementalAnnotationProcessorType;

import java.io.Serializable;

/**
 * Information about an annotation processor, based on its static metadata
 * in <code>META-INF/services/javax.annotation.processing.Processor</code> and
 * <code>META-INF/gradle/incremental.annotation.processors</code>
 */

4. You applied a plugin to your app in <<part4_gradle_plugins#part4_begin,part 4>>.
5. You learned about incremental builds in <<part5_gradle_inc_builds#part5_begin,part 5>>.

== Step 1. Understanding Caching
Incremental Builds are a great optimization that helps avoid work that is already done.

    private static final String INCREMENTAL_TASK_NAME = "incrementalTask"

    @Issue("https://github.com/gradle/gradle/issues/9320")
    def "incremental task with NAME_ONLY input (matching file names and content) detects changed input"() {
        def inputs = folderNames().collect { file("${it}/input.txt").createFile() }
        def modifiedInput = inputs[1]

rootProject.name = "incremental-task"...

rootProject.name = "incremental-build-advanced"...

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gradle.api.internal.tasks.compile.incremental.compilerapi.constants;

import org.gradle.api.internal.tasks.compile.incremental.compilerapi.deps.DependentsSet;

import java.util.Collections;
import java.util.Map;

public class ConstantToDependentsMapping {