<item index="4" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
          <item index="5" class="java.lang.String" itemvalue="io.reactivex.annotations.Nullable" />
          <item index="6" class="java.lang.String" itemvalue="io.reactivex.rxjava3.annotations.Nullable" />

  }

  /**
   * Class for testing all permutations of nullable/non-nullable two-argument methods using
   * testMethod().
   *
   * <ul>
   *   <li>normalNormal: two params, neither is Nullable
   *   <li>nullableNormal: only first param is Nullable
   *   <li>normalNullable: only second param is Nullable
   *   <li>nullableNullable: both params are Nullable
   * </ul>
   */
  public static class TwoArg {

import org.junit.Test
import java.util.concurrent.Callable


class CallableCodecTest : AbstractFunctionalTypeTest() {

    @Test
    fun `defers evaluation of Callable objects`() {
        assertDeferredEvaluationOf(callable()) {
            call()
        }
    }

    @Test
    fun `defers evaluation of dynamic Callable fields`() {
        assertDeferredEvaluationOf(BeanOf(callable())) {
            value.call()
        }

    protected DefaultProblem(
        ProblemDefinition problemDefinition,
        @Nullable String contextualLabel,
        List<String> solutions,
        List<ProblemLocation> problemLocations,
        @Nullable String details,
        RuntimeException exception,
        @Nullable AdditionalData additionalData
    ) {
        this.problemDefinition = problemDefinition;

import org.gradle.internal.metaobject.DynamicObject;

import javax.annotation.Nullable;
import java.util.Map;

/**
 * Encapsulates the implementations of the common ways to interact with a {@link DynamicObject}.
 */
public interface DynamicLookupRoutine {
    @Nullable Object property(DynamicObject receiver, String propertyName) throws MissingPropertyException;
    @Nullable Object findProperty(DynamicObject receiver, String propertyName);

import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class Helpers {
  // Clone of Objects.equal
  static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // Clone of Lists.newArrayList
  public static <E extends @Nullable Object> List<E> copyToList(Iterable<? extends E> elements) {

    private final Date timestamp;
    @Nullable
    private final Long pid;
    @Nullable
    private final DaemonExpirationStatus status;
    @Nullable
    private final String reason;

    public DaemonStopEvent(Date timestamp, @Nullable Long pid, @Nullable DaemonExpirationStatus status, @Nullable String reason) {
        this.timestamp = timestamp;
        this.status = status;

    public static Object good(
        String a,
        int b,
        // oneConstantOnly doesn't matter since it's not nullable and can be only 1 value.
        @SuppressWarnings("unused") OneConstantEnum oneConstantOnly,
        // noConstant doesn't matter since it can only be null
        @SuppressWarnings("unused") @Nullable NoConstantEnum noConstant) {
      return new GoodEquals(a, b);
    }

    // instance method ignored

import java.util.Set;
import org.checkerframework.checker.nullness.qual.Nullable;

@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public class Helpers {
  // Clone of Objects.equal
  static boolean equal(@Nullable Object a, @Nullable Object b) {
    return a == b || (a != null && a.equals(b));
  }

  // Clone of Lists.newArrayList
  public static <E extends @Nullable Object> List<E> copyToList(Iterable<? extends E> elements) {

					},
				},
			},
		}, `[null]`},
		{"null in non-nullable list", `[null]`, &structuralschema.Structural{
			Generic: structuralschema.Generic{
				Nullable: false,
			},
			Items: &structuralschema.Structural{
				Generic: structuralschema.Generic{
					Default: structuralschema.JSON{Object: "A"},
				},
			},
		}, `["A"]`},
		{"null in nullable object", `{"a": null}`, &structuralschema.Structural{