* either express or implied. See the License for the specific language
 * governing permissions and limitations under the License.
 */
package org.codelibs.core.collection;

import static org.codelibs.core.collection.Maps.map;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import java.util.Map;

import org.junit.Test;

/**
 * @author koichik
 */

import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.TreeSet;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.jspecify.annotations.NullUnmarked;

/**
 * Run collection tests on wrappers from {@link Multimaps}.
 *

    @SuppressWarnings({"rawtypes", "unchecked"})
    @Override
    public Collection<Type> provides() {
        return (Collection) types();
    }

    public Collection<DefaultType> types() {
        return Arrays.asList(
                // Maven types
                new DefaultType(Type.POM, Language.NONE, "pom", null, false),

  /*
   * Previously we had a field named set that was initialized to the value of
   * collection in setUp(), but that caused problems when a tester changed the
   * value of set or collection but not both.
   */
  protected final Set<E> getSet() {
    return (Set<E>) collection;
  }

  public void testAsSetIteration() {
    Set<Entry<String, Collection<Integer>>> set =
        new LinkedHashSet<>(
            asList(
                immutableEntry("foo", (Collection<Integer>) newHashSet(2, 3, 6)),
                immutableEntry("bar", (Collection<Integer>) newHashSet(4, 5, 10, 11)),
                immutableEntry("baz", (Collection<Integer>) newHashSet(7, 8)),

package org.apache.maven.internal.transformation.impl;

import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Collection;
import java.util.List;
import java.util.Map;

import org.apache.maven.api.Constants;
import org.apache.maven.api.services.Sources;
import org.apache.maven.model.Model;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.resolver.filter;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

/**
 * Filter to only retain objects in the given scope or better. This implementation allows the accumulation of multiple

  @CollectionSize.Require(ZERO)
  public void testIsEmpty_yes() {
    assertTrue("isEmpty() should return true", collection.isEmpty());
  }

  @CollectionSize.Require(absent = ZERO)
  public void testIsEmpty_no() {
    assertFalse("isEmpty() should return false", collection.isEmpty());
  }

     */
    ParameterizedClassDesc getParameterizedClassDesc();

    /**
     * Returns the element type if this field is a parameterized {@link Collection}.
     *
     * @return the element type if this field is a parameterized {@link Collection}, otherwise {@literal null}
     */
    Class<?> getElementClassOfCollection();

    /**
     * Returns the key type if this field is a parameterized {@link Map}.

     */
    ParameterizedClassDesc getParameterizedClassDesc();

    /**
     * Returns the element type if this property is a parameterized {@link Collection}.
     *
     * @return the element type if this property is a parameterized {@link Collection}, otherwise {@literal null}
     */
    Class<?> getElementClassOfCollection();

    /**
     * Returns the key type if this property is a parameterized {@link Map}.