@SuppressWarnings("rawtypes") // using raw types to avoid a bug in our nullness checker :(
        InternalEntry entry = map.getEntry(sample);
        if (entry != null) {
          Object canonical = entry.getKey();
          if (canonical != null) { // only matters if weak/soft keys are used
            // The compiler would know this is safe if not for our use of raw types (see above).
            @SuppressWarnings("unchecked")

                requireNonNull(e2);
                return comparator.compare(e1.getKey(), e2.getKey());
              });
          // requireNonNull is safe because the first `size` elements have been filled in.
          Entry<K, V> firstEntry = requireNonNull(entryArray[0]);
          K prevKey = firstEntry.getKey();
          keys[0] = prevKey;
          values[0] = firstEntry.getValue();

      Collection<V> collection = null;
      while (asMapItr.hasNext()) {
        Entry<K, Collection<V>> asMapEntry = asMapItr.next();
        if (key.equals(asMapEntry.getKey())) {
          collection = asMapEntry.getValue();
          break;
        }
      }
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

      Collection<V> collection = null;
      while (asMapItr.hasNext()) {
        Entry<K, Collection<V>> asMapEntry = asMapItr.next();
        if (key.equals(asMapEntry.getKey())) {
          collection = asMapEntry.getValue();
          break;
        }
      }
      assertNotNull(collection);
      Collection<V> expectedCollection = copyToList(collection);

        if (mavenOptions.userProperties().isPresent()) {
            for (Map.Entry<String, String> entry :
                    mavenOptions.userProperties().get().entrySet()) {
                cmdAndArguments.add("-D" + entry.getKey() + "=" + entry.getValue());
            }
        }
        if (mavenOptions.showVersionAndExit().orElse(false)) {
            cmdAndArguments.add("--version");
        }

    Object one = new Object();
    assertSame(one, cache.getUnchecked(one));
    assertTrue(segment.recencyQueue.isEmpty());
    assertSame(one, map.get(one));
    assertSame(one, segment.recencyQueue.peek().getKey());
    assertSame(one, cache.getUnchecked(one));
    assertFalse(segment.recencyQueue.isEmpty());
  }

  public void testRecursiveComputation() throws InterruptedException {

    Object one = new Object();
    assertSame(one, cache.getUnchecked(one));
    assertTrue(segment.recencyQueue.isEmpty());
    assertSame(one, map.get(one));
    assertSame(one, segment.recencyQueue.peek().getKey());
    assertSame(one, cache.getUnchecked(one));
    assertFalse(segment.recencyQueue.isEmpty());
  }

  public void testRecursiveComputation() throws InterruptedException {

            throw new IOException("Bad file descriptor");
        }
        // ensure file is open
        try ( SmbFileHandleImpl fd = ensureOpen();
              SmbTreeHandleImpl th = fd.getTree() ) {

            /*
             * Read AndX Request / Response
             */

            if ( log.isTraceEnabled() ) {
                log.trace("read: fid=" + fd + ",off=" + off + ",len=" + len);

        for ( Entry<String, CIFSContext> ctx : CONTEXT_CACHE.entrySet() ) {
            if ( ctx.getValue().close() ) {
                log.error("Context was still in use " + ctx.getKey());
            }
        }
    }


    static CIFSContext getCachedContext ( String context, Properties props ) throws CIFSException {
        CIFSContext cached = CONTEXT_CACHE.get(context);

The Gradle codebase has evolved over time and has a mixture of simple getter/setter methods, Provider API and things in between.  It can be hard to follow best practices because Gradle provided types are reused in unexpected ways and extended by third party plugins.