import static com.google.common.collect.testing.features.CollectionFeature.ALLOWS_NULL_VALUES;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.AbstractCollectionTester;
import com.google.common.collect.testing.WrongType;
import com.google.common.collect.testing.features.CollectionFeature;

import static com.google.common.collect.testing.features.CollectionSize.SEVERAL;
import static com.google.common.collect.testing.features.CollectionSize.ZERO;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.MinimalCollection;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.cli;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * Defines the contract for a component responsible for invoking a Maven application
 * using the information provided in an {@link InvokerRequest}. This interface is central

    chart: {{ template "minio.chart" . }}
    release: {{ .Release.Name }}
    heritage: {{ .Release.Service }}
  annotations:
    "helm.sh/hook": post-install,post-upgrade
    "helm.sh/hook-delete-policy": hook-succeeded,before-hook-creation
    {{- with .Values.postJob.annotations }}
      {{- toYaml . | nindent 4 }}
    {{- end }}
spec:
  template:
    metadata:
      labels:

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import java.util.Collection;
import java.util.Iterator;
import org.jspecify.annotations.Nullable;

/**
 * An implementation of {@code Iterable} which throws an exception on all invocations of the {@link

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_REMOVE;
import static com.google.common.collect.testing.testers.ReflectionFreeAssertThrows.assertThrows;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.testing.AbstractMapTester;
import com.google.common.collect.testing.features.CollectionSize;
import com.google.common.collect.testing.features.MapFeature;
import java.util.Map;

import static com.google.common.truth.Truth.assertThat;

import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterators;
import com.google.errorprone.annotations.CanIgnoreReturnValue;
import java.util.Set;
import org.jspecify.annotations.NullUnmarked;

/** Utility methods used in various common.graph tests. */
@NullUnmarked
final class TestUtil {

import org.junit.Test

class JSpecifyNullUnmarkedChangesTest : AbstractBinaryCompatibilityTest() {

    private val nullableAnnotationName = "org.jspecify.annotations.Nullable"
    private val nullUnmarkedAnnotationName = "org.jspecify.annotations.NullUnmarked"

    @Test
    fun `from non-null returning to null-unmarked returning is breaking`() {

        checkNotBinaryCompatibleJava(
            v1 = """

@com.google.errorprone.annotations.CheckReturnValue

package com.google.common.collect.testing.google;

import static com.google.common.collect.Lists.charactersOf;
import static java.lang.System.arraycopy;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.testing.TestCharacterListGenerator;
import com.google.common.collect.testing.TestListGenerator;