protected int standardHashCode() {
    K k = getKey();
    V v = getValue();
    return ((k == null) ? 0 : k.hashCode()) ^ ((v == null) ? 0 : v.hashCode());
  }

  /**
   * A sensible definition of {@link #toString} in terms of {@link #getKey} and {@link #getValue}.
   * If you override either of these methods, you may wish to override {@link #equals} to forward to
   * this implementation.
   *
   * @since 7.0
   */

    assertThat(expected).hasCauseThat().isInstanceOf(IllegalArgumentException.class);
    assertThat(expected).hasCauseThat().hasMessageThat().contains(badFuture.toString());
  }

  private Future<?> newFutureInstance() throws Exception {
    return (Future<?>) settableFutureClass.getMethod("create").invoke(null);
  }

        Path path = Paths.get("/tmp");
        Sources.PathSource source = (Sources.PathSource) Sources.fromPath(path);

        assertEquals(path.normalize(), source.getPath());
        assertEquals(path.toString(), source.getLocation());

        Source resolved = source.resolve("subdir");
        assertNotNull(resolved);
        assertEquals(path.resolve("subdir").normalize(), resolved.getPath());
    }

    @Test

                } catch (final IOException e) {
                    // ignore
                }
            }
            FileUtil.deleteInBackground(tempFile);
        }

        return new ExtractData(buf.toString().trim());
    }

    /**
     * Sets the maximum content size for extraction.
     *
     * @param maxContentSize the maximum content size to set (-1 for no limit)
     */

     *
     * @return the fieldList containing all field facet information
     */
    public List<Field> getFieldList() {
        return fieldList;
    }

    @Override
    public String toString() {
        return "FacetResponse [queryCountMap=" + queryCountMap + ", fieldList=" + fieldList + "]";
    }

        StringBuilder longName = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            longName.append("VeryLongClassificationName");
        }
        assertProvideThrowsException(longName.toString());
    }

    public void test_provide_withUnicodeCharacters() {
        // Test classification names with Unicode characters
        assertProvideThrowsException("テスト分類");

        // Test constructor with long message
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < 1000; i++) {
            sb.append("Long message content ");
        }
        String message = sb.toString();
        SearchEngineClientException exception = new SearchEngineClientException(message);

        assertNotNull(exception);
        assertEquals(message, exception.getMessage());

  }

  @Test fun addUnsafeNonAsciiAcceptsUnicodeValue() {
    val headers =
      Headers
        .Builder()
        .addUnsafeNonAscii("header1", "valué1")
        .build()
    assertThat(headers.toString()).isEqualTo("header1: valué1\n")
  }

  // Fails on JS, ClassCastException: Illegal cast
  @Test fun ofMapThrowsOnNull() {
    assertFailsWith<NullPointerException> {

        if (requestPath.startsWith(prefix)) {
            return requestPath.substring(prefix.length());
        }
        return null;
    }

    @Override
    public String toString() {
        return DfTypeUtil.toClassTitle(this) + ":{}";
    }

    @Override
    public void adjustActionResponseJustBefore(final ActionRuntime runtime, final ActionResponse response) {

   * </ul>
   */
  public @Nullable String value() {
    return System.getProperty(key);
  }

  /** Returns a string representation of this system property. */
  @Override
  public String toString() {
    return key() + "=" + value();
  }