ImmutableSortedMap<String, Integer> copy =
        ImmutableSortedMap.copyOf(Collections.<String, Integer>emptyMap());
    assertEquals(Collections.<String, Integer>emptyMap(), copy);
    assertSame(copy, ImmutableSortedMap.copyOf(copy));
    assertSame(Ordering.natural(), copy.comparator());
  }

  public void testCopyOfSingletonMap() {
    ImmutableSortedMap<String, Integer> copy =

    original.put("foo", 3, 'c');
    Table<String, Integer, @Nullable Character> copy = ArrayTable.create(original);
    assertEquals(4, copy.size());
    assertEquals((Character) 'a', copy.get("foo", 1));
    assertEquals((Character) 'b', copy.get("bar", 1));
    assertEquals((Character) 'c', copy.get("foo", 3));
    assertNull(copy.get("bar", 3));
    original.put("foo", 1, 'd');

    original.put("foo", 3, 'c');
    Table<String, Integer, @Nullable Character> copy = ArrayTable.create(original);
    assertEquals(4, copy.size());
    assertEquals((Character) 'a', copy.get("foo", 1));
    assertEquals((Character) 'b', copy.get("bar", 1));
    assertEquals((Character) 'c', copy.get("foo", 3));
    assertNull(copy.get("bar", 3));
    original.put("foo", 1, 'd');

class DefaultMavenExecutionTest {
    @Test
    void testCopyDefault() {
        MavenExecutionRequest original = new DefaultMavenExecutionRequest();
        MavenExecutionRequest copy = DefaultMavenExecutionRequest.copy(original);
        assertNotNull(copy);
        assertNotSame(copy, original);
    }

    @Test
    void testResultWithNullTopologicallySortedProjectsIsEmptyList() {
        MavenExecutionResult result = new DefaultMavenExecutionResult();

    original.add("two");
    original.add("three");

    EvictingQueue<String> copy = SerializableTester.reserialize(original);
    assertEquals(copy.maxSize, original.maxSize);
    assertEquals("one", copy.remove());
    assertEquals("two", copy.remove());
    assertEquals("three", copy.remove());
    assertTrue(copy.isEmpty());
  }

  }

  /** Creates a mutable copy of {@code graph} with the same nodes and edges. */
  public static <N> MutableGraph<N> copyOf(Graph<N> graph) {
    MutableGraph<N> copy = GraphBuilder.from(graph).expectedNodeCount(graph.nodes().size()).build();
    for (N node : graph.nodes()) {
      copy.addNode(node);
    }
    for (EndpointPair<N> edge : graph.edges()) {
      copy.putEdge(edge.nodeU(), edge.nodeV());
    }

  }

  private static <R, C, V> void validateViewOrdering(Table<R, C, V> original, Table<R, C, V> copy) {
    assertThat(copy.cellSet()).containsExactlyElementsIn(original.cellSet()).inOrder();
    assertThat(copy.rowKeySet()).containsExactlyElementsIn(original.rowKeySet()).inOrder();
    assertThat(copy.values()).containsExactlyElementsIn(original.values()).inOrder();
  }

  public void testCopyOf() {

/*
 * Copyright 2023 the original author or authors.
 *
 * Licensed 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,

                        Files.copy(zis, path, StandardCopyOption.REPLACE_EXISTING);
                    } else if ("css".equals(names[0])) {
                        names[0] = themeName;
                        final Path path = ResourceUtil.getCssPath(names);
                        Files.createDirectories(path.getParent());
                        Files.copy(zis, path, StandardCopyOption.REPLACE_EXISTING);

    Graph<Integer> directedGraph = buildDirectedGraph();

    Graph<Integer> copy = copyOf(directedGraph);
    assertThat(copy).isEqualTo(directedGraph);
  }

  @Test
  public void copyOf_undirectedGraph() {
    Graph<Integer> undirectedGraph = buildUndirectedGraph();

    Graph<Integer> copy = copyOf(undirectedGraph);
    assertThat(copy).isEqualTo(undirectedGraph);
  }

  @Test