import java.util.Set;

/**
 * An isolating processor must provide exactly one originating element
 * for each file it generates.
 */
public class IsolatingProcessor extends DelegatingProcessor {

    private final IsolatingProcessingStrategy strategy;

    public IsolatingProcessor(Processor delegate, AnnotationProcessorResult result) {
        super(delegate);
        this.strategy = new IsolatingProcessingStrategy(result);
    }

class IsolatingProcessorTest extends Specification {

    def "sets processor type"() {
        given:
        AnnotationProcessorResult processorResult = new AnnotationProcessorResult(null, "")
        when:
        new IsolatingProcessor(Stub(Processor), processorResult)
        then:
        processorResult.type == IncrementalAnnotationProcessorType.ISOLATING
    }

import org.gradle.api.internal.tasks.compile.processing.AnnotationProcessorDeclaration;
import org.gradle.api.internal.tasks.compile.processing.DynamicProcessor;
import org.gradle.api.internal.tasks.compile.processing.IsolatingProcessor;
import org.gradle.api.internal.tasks.compile.processing.NonIncrementalProcessor;
import org.gradle.api.internal.tasks.compile.processing.SupportedOptionsCollectingProcessor;

import java.util.Set;

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

/**
 * The strategy for isolating annotation processors.
 *
 * @see IsolatingProcessor
 */
class IsolatingProcessingStrategy extends IncrementalProcessingStrategy {

    IsolatingProcessingStrategy(AnnotationProcessorResult result) {
        super(result);
        result.setType(ISOLATING);
    }

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