/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to you under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package java.util;

import java.util.function.Supplier;

import org.checkerframework.checker.nullness.qual.*;

interface Map<K, V> {
  boolean containsKey(@Nullable Object o);

  boolean containsValue(@Nullable Object value);

  boolean remove(@Nullable Object key, @Nullable Object value);

  @Nullable V remove(@Nullable Object o);

  @Nullable V get(@Nullable Object key);

  V getOrDefault(@Nullable Object key, V defaultValue);
}