if (logger.isDebugEnabled()) {
                logger.debug("Invalid offset: {}", body.offset, e);
            }
            throwValidationErrorApi(messages -> messages.addErrorsResultSizeExceeded(GLOBAL));
        }

        throwValidationErrorApi(messages -> messages.addErrorsInvalidQueryUnknown(GLOBAL));
        return null; // ignore
    }

    /**
     * Retrieves a specific document by ID.
     *

    }

    @ParameterizedTest(name = "Message-only ctor preserves message: [{0}]")
    @MethodSource("messages")
    void messageConstructor_setsMessageAndNullCause(String message) {
        // Arrange & Act
        SMBProtocolDowngradeException ex = new SMBProtocolDowngradeException(message);

        // Assert - message preserved, cause null
        assertEquals(message, ex.getMessage());
        assertNull(ex.getCause());

            throwValidationError(messages -> messages.addErrorsFailedToReadRequestFile(GLOBAL, e.getMessage()),
                    () -> asListHtml(this::saveToken));
        }

        final CurlRequest curlRequest = getCurlRequest(header);
        if (curlRequest == null) {
            final String msg = header;

                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsFailedToUploadStemmeroverrideFile(GLOBAL),
                        () -> redirectWith(getClass(), moreUrl("uploadpage/" + form.dictId)));
            }
            saveInfo(messages -> messages.addSuccessUploadStemmeroverrideFile(GLOBAL));

        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final StemmerOverrideItem entity = createStemmerOverrideItem(this, body, () -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));

                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**

        validateApi(body, messages -> {});
        body.crudMode = CrudMode.CREATE;
        final CharMappingItem entity = createCharMappingItem(this, body, () -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));
            return null;
        }).orElseGet(() -> {
            throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL));

                logger.warn("Failed to process a request.", e);
                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

                throwValidationError(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)),
                        this::asEditHtml);
            }
        }).orElse(() -> {
            throwValidationError(messages -> messages.addErrorsCrudFailedToCreateInstance(GLOBAL), this::asEditHtml);
        });
        return redirect(getClass());
    }

    /**

            try {
                keyMatchService.delete(entity);
                saveInfo(messages -> messages.addSuccessCrudDeleteCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToDeleteCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
        }).orElse(() -> {