<profile>
      <id>javac-for-jvm18plus</id>
      <activation>
        <!--
            In order to build and run the tests against JDK 18+, we need to pass java.security.manager=allow, to make
            the deprecated 'java.lang.SecurityManager' available for use.
         -->
        <jdk>[18,]</jdk>
      </activation>
      <properties>
        <test.add.args>-Djava.security.manager=allow</test.add.args>
      </properties>

      int i = off;
      for (int remaining = len; remaining >= 3; remaining -= 3) {
        int chunk = (bytes[i++] & 0xFF) << 16 | (bytes[i++] & 0xFF) << 8 | bytes[i++] & 0xFF;
        target.append(alphabet.encode(chunk >>> 18));
        target.append(alphabet.encode((chunk >>> 12) & 0x3F));
        target.append(alphabet.encode((chunk >>> 6) & 0x3F));
        target.append(alphabet.encode(chunk & 0x3F));
      }
      if (i < off + len) {

  public void testBuildKeepingLast_collisions() {
    Map<ClassWithTerribleHashCode, Integer> expected = new LinkedHashMap<>();
    Builder<ClassWithTerribleHashCode, Integer> builder = new Builder<>();
    int size = 18;
    for (int i = 0; i < size; i++) {
      ClassWithTerribleHashCode key = new ClassWithTerribleHashCode(i);
      builder.put(key, i);
      builder.put(key, -i);
      expected.put(key, -i);
    }