public class TimeTrackingProcessor extends DelegatingProcessor {

    private final AnnotationProcessorResult result;
    private final Stopwatch stopwatch;

    public TimeTrackingProcessor(Processor delegate, AnnotationProcessorResult result) {
        this(delegate, result, Ticker.systemTicker());
    }

    @VisibleForTesting

import org.gradle.api.internal.tasks.compile.processing.NonIncrementalProcessor;
import org.gradle.api.internal.tasks.compile.processing.SupportedOptionsCollectingProcessor;
import org.gradle.api.internal.tasks.compile.processing.TimeTrackingProcessor;
import org.gradle.internal.classpath.DefaultClassPath;
import org.gradle.internal.concurrent.CompositeStoppable;

import javax.annotation.processing.Processor;
import javax.tools.JavaCompiler;
import java.io.File;

class TimeTrackingProcessorTest extends Specification {

    def delegate = Mock(Processor)
    def result = new AnnotationProcessorResult(null, "")
    def currentNanos = 0L
    def tracker = new TimeTrackingProcessor(delegate, result, { currentNanos })

    def "tracks time for getSupportedAnnotationTypes()"() {
        when:
        def types = tracker.getSupportedAnnotationTypes()

        then:

Class <org.gradle.api.internal.tasks.compile.processing.TimeTrackingProcessor$1> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TimeTrackingProcessor.java:0)
Class <org.gradle.api.internal.tasks.compile.processing.TimeTrackingProcessor$2> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (TimeTrackingProcessor.java:0)