byte[] buf;

            if (this.freeBuffers > 0) {
                for (int i = 0; i < this.cache.length; i++) {
                    if (this.cache[i] != null) {
                        buf = (byte[]) this.cache[i];
                        this.cache[i] = null;
                        this.freeBuffers--;
                        return buf;
                    }
                }
            }

    if (sslSocket is BCSSLSocket) {
      when (val protocol = (sslSocket as BCSSLSocket).applicationProtocol) {
        // Handles both un-configured and none selected.
        null, "" -> null
        else -> protocol
      }
    } else {
      super.getSelectedProtocol(sslSocket)
    }

  companion object {
    val isSupported: Boolean =
      try {

        add(severity, version, message, null, null);
    }

    default void add(
            BuilderProblem.Severity severity, ModelProblem.Version version, String message, InputLocation location) {
        add(severity, version, message, location, null);
    }

    default void add(

        if (millis != null) {
            delayMillisAfterProcessing = millis;
        }

        millis = params.get("delayMillisAtNoUrlInQueue");
        if (millis != null) {
            delayMillisAtNoUrlInQueue = millis;
        }

        millis = params.get("delayMillisBeforeProcessing");
        if (millis != null) {
            delayMillisBeforeProcessing = millis;
        }

    fakeTicker.advance(2, MILLISECONDS);
    assertEquals(null, cache.getIfPresent(10));
    assertEquals(null, cache.getIfPresent(20));
    assertEquals(null, cache.getIfPresent(4));

    cache.put(10, 20);
    assertEquals(Integer.valueOf(20), cache.getIfPresent(10));

    fakeTicker.advance(1000, MILLISECONDS);
    assertEquals(null, cache.getIfPresent(10));
  }

  }

  public void testNull() {
    assertThrows(NullPointerException.class, () -> map.put(null, new Integer(1)));
    map.putInstance(Integer.class, null);
    assertNull(map.get(Integer.class));
    assertNull(map.getInstance(Integer.class));

    map.put(Long.class, null);
    assertNull(map.get(Long.class));
    assertNull(map.getInstance(Long.class));
  }

          responseQueue.put(new Response(request.methodName, null, exception.getTargetException()));
          continue;
        } catch (Throwable throwable) {
          responseQueue.put(new Response(request.methodName, null, throwable));
          continue;
        }
        responseQueue.put(new Response(request.methodName, result, null));
      }
    } catch (ThreadDeath death) {
      return;

         * @return The absolute file path of the resource, or null if not found
         */
        protected String getResourcePath(final String path) {
            final File file = ResourceUtil.getResourceAsFileNoException(path);
            if (file != null) {
                return file.getAbsolutePath();
            }
            return null;
        }

        /**

    } catch (RuntimeException tolerated) {
      // GWT's TreeMap.entrySet().removeAll(null) doesn't throws NPE.
    }
  }

  @Override
  public void testEntrySetRetainAllNullFromEmpty() {
    try {
      super.testEntrySetRetainAllNullFromEmpty();
    } catch (RuntimeException tolerated) {
      // GWT's TreeMap.entrySet().retainAll(null) doesn't throws NPE.
    }
  }

  @Override

        assertNotNull(lsarSidArrayX.sids, "sids array should not be null for an empty array");
        assertEquals(0, lsarSidArrayX.sids.length, "sids array length should be 0 for an empty array");
    }

    @Test
    void testConstructorWithNullSIDArray() {
        jcifs.SID[] sids = null;
        // Expect NullPointerException when passing a null array to the constructor