final Map<String, Object> params = new HashMap<>();
        final String invalidScript = "this is not valid {{{";

        // First call: syntax error returns null
        assertNull(engine.evaluate(invalidScript, params));

        // Second call: should also return null (not cached, recompiles and fails again)
        assertNull(engine.evaluate(invalidScript, params));

                // requireNonNull is safe because the first `size` elements have been filled in.
                requireNonNull(e1);
                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]);

     * Provides a hint for how many values will be associated with each key newly added to the
     * builder after this call. This does not change semantics, but may improve performance if
     * {@code expectedValuesPerKey} is a good estimate.
     *
     * <p>This may be called more than once; each newly added key will use the most recent call to
     * {@link #expectedValuesPerKey} as its hint.
     *

   * algorithm, x86 variant</a> (little-endian variant), using the given seed value.
   *
   * <p>The exact C++ equivalent is the MurmurHash3_x86_32 function (Murmur3A).
   *
   * <p>This method is called {@code murmur3_32_fixed} because it fixes a bug in the {@code
   * HashFunction} returned by the original {@code murmur3_32} method.
   *
   * @since 31.0
   */

    public Enumeration<?> propertyNames() {
        return Collections.enumeration(storage.keySet());
    }

    /**
     * Calls the map method put. Provided for parallelism with the getProperty method.
     * Enforces use of strings for property keys and values. The value returned is the result of the map call to put.
     *
     * @param key the key to be placed into this property list.
     * @param value the value corresponding to the key.

    public Enumeration<?> propertyNames() {
        return Collections.enumeration(storage.keySet());
    }

    /**
     * Calls the map method put. Provided for parallelism with the getProperty method.
     * Enforces use of strings for property keys and values. The value returned is the result of the map call to put.
     *
     * @param key the key to be placed into this property list.
     * @param value the value corresponding to the key.

        System.setProperty(
                Constants.MAVEN_HOME,
                context.invokerRequest.installationDirectory().toString());
    }

    /**
     * Note: this method is called twice from {@link #doInvoke(LookupContext)} and modifies context. First invocation
     * when {@link LookupContext#pushedUserProperties} is null will push user properties IF key does not already

        return new BiMapEntry(entry);
      }

      @Override
      public void remove() {
        if (entry == null) {
          throw new IllegalStateException("no calls to next() since the last call to remove()");
        }
        V value = entry.getValue();
        iterator.remove();
        removeFromInverseMap(value);
        entry = null;
      }
    };
  }

  @WeakOuter

    /**
     *
     * {@inheritDoc}
     *
     * @see jcifs.smb.NtlmPasswordAuthenticator#equals(java.lang.Object)
     */
    @Override
    public boolean equals(Object other) {
        // this method is called from SmbSession
        if (other instanceof Kerb5Authenticator) {
            return Objects.equals(this.getSubject(), ((Kerb5Authenticator) other).getSubject());
        }

        return false;
    }

          boolean firstCall = true;

          @Override
          public boolean processBytes(byte[] buf, int off, int len) throws IOException {
            assertTrue("consume() called twice", firstCall);
            firstCall = false;
            return false;
          }

          @Override
          public @Nullable Void getResult() {
            return null;
          }