</description>
  </expression>
  <expression>
    <syntax>project.parent</syntax>
    <configuration>
      <![CDATA[
<parent>
  <groupId>project.group</groupId>
  <artifactId>project-artifact</artifactId>
  <version>0.0.0.0</version>
</parent>
    ]]></configuration>
    <description> This is the MavenProject instance for the parent of the current POM.
    </description>
  </expression>
  <expression>

    // The in-flight editor can still write after a trim failure.
    inFlightEditor.setString(0, "cc")
    inFlightEditor.setString(1, "cc")
    inFlightEditor.commit()

    // Confirm the committed values are present after a successful cache trim.
    filesystem.setFaultyDelete(cacheDir / "a.0", false)
    taskFaker.runNextTask()
    assertValue("c", "cc", "cc")
  }

  @Test

        return map.containsKey(o);
    }

    @Override
    public boolean add(final String o) {
        return map.put(o, PRESENT) == null;
    }

    @Override
    public boolean remove(final Object o) {
        return map.remove(o) == PRESENT;
    }

    @Override
    public void clear() {
        map.clear();
    }

     */
    @Override
    public int getFlags() {
        return this.mechContext.getFlags();
    }

    @Override
    public boolean isSupported(final ASN1ObjectIdentifier mechanism) {
        // prevent nesting
        return false;
    }

    /**
     * Determines what mechanism is being used for this context.
     *
     * @return the Oid of the mechanism being used
     */

  @CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    int initialSize = collection.size();
    assertTrue("remove(present) should return true", collection.remove(e0()));
    assertEquals(
        "remove(present) should decrease a collection's size by one.",
        initialSize - 1,
        collection.size());
    expectMissing(e0());
  }

  @MapFeature.Require(absent = SUPPORTS_PUT)
  @CollectionSize.Require(absent = ZERO)
  public void testPutIfAbsent_unsupportedPresentExistingValue() {
    try {
      assertEquals(
          "putIfAbsent(present, existingValue) should return present or throw",
          v0(),
          getMap().putIfAbsent(k0(), v0()));
    } catch (UnsupportedOperationException tolerated) {
    }
    expectUnchanged();
  }

  @CollectionSize.Require(absent = ZERO)
  public void testRemove_present() {
    int initialSize = getMap().size();
    assertEquals("remove(present) should return the associated value", v0(), getMap().remove(k0()));
    assertEquals(
        "remove(present) should decrease a map's size by one.", initialSize - 1, getMap().size());
    expectMissing(e0());
  }

<project>
  <parent>
    <artifactId>p0</artifactId>
    <groupId>maven-t04</groupId>
    <version>1.0</version>
  </parent>
  <modelVersion>4.0.0</modelVersion>
  <groupId>maven-t04</groupId>
  <artifactId>p1</artifactId>
  <packaging>pom</packaging>
  <name>p1</name>
  <version>1.0</version>
  <scm>
    <url>scm-url</url>
  </scm>

  <dependencies>

    <dependency>
      <groupId>maven-test</groupId>

  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  @CollectionSize.Require(absent = ZERO)
  public void testCompute_presentToPresent() {
    assertEquals(
        "Map.compute(present, functionReturningValue) should return new value",
        v3(),
        getMap()
            .compute(
                k0(),
                (k, v) -> {
                  assertEquals(k0(), k);

  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  @CollectionSize.Require(absent = ZERO)
  public void testCompute_presentToPresent() {
    assertEquals(
        "Map.compute(present, functionReturningValue) should return new value",
        v3(),
        getMap()
            .compute(
                k0(),
                (k, v) -> {
                  assertEquals(k0(), k);