try {
            final StreamResponse response = viewHelper.asContentResponse(doc);
            if (response.getHttpStatus().orElse(200) == 404) {
                logger.debug("Not found: {}", targetUrl);
                saveError(messages -> messages.addErrorsNotFoundOnFileSystem(GLOBAL, targetUrl));
                return redirect(ErrorAction.class);
            }
            return response;

            len += 2;
            if (len > maxLen) {
                if (log.isDebugEnabled()) {
                    log.warn("Failed to find string termination with max length " + maxLen);
                    log.debug(Hexdump.toHexString(buffer, bufferIndex, len));
                }
                throw new RuntimeCIFSException("zero termination not found");
            }
        }
        return len;
    }

    /**

            if (creator != null) {
                creator.register(this);
            }
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("CrawlerClientCreator is unavailable.", e);
            }
        }
    }

    /**
     * Adds a client with a regular expression pattern.
     * @param regex The regular expression to match URLs.

            } while (next > 0);
            this.createContexts = contexts.toArray(new CreateContextResponse[0]);
        }

        if (log.isDebugEnabled()) {
            log.debug("Opened " + this.fileName + ": " + Hexdump.toHexString(this.fileId));
        }

        return bufferIndex - start;
    }

    /**

            return asHtml(virtualHost(path_Login_NewpasswordJsp));
        } catch (final LoginFailureException lfe) {
            if (logger.isDebugEnabled()) {
                logger.debug("Login is failed.", lfe);
            }
            activityHelper.loginFailure(OptionalThing.of(new LocalUserCredential(username, password)));

    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (query instanceof final FuzzyQuery fuzzyQuery) {
            if (logger.isDebugEnabled()) {
                logger.debug("{}:{}", query, boost);
            }
            return convertFuzzyQuery(context, fuzzyQuery, boost);
        }

                            buf.append('\n');
                        } catch (final Exception e) {
                            if (logger.isDebugEnabled()) {
                                logger.debug("Exception in an internal extractor.", e);
                            }
                        } finally {
                            CloseableUtil.closeQuietly(is);
                        }
                    }

If there's a security flaw in your code, it will still exist.

Hiding the documentation just makes it more difficult to understand how to interact with your API, and could make it more difficult for you to debug it in production. It could be considered simply a form of <a href="https://en.wikipedia.org/wiki/Security_through_obscurity" class="external-link" target="_blank">Security through obscurity</a>.

        dstIndex += 4;
        dstIndex += 4; // Reserved
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        if (log.isDebugEnabled()) {
            log.debug(String.format("Closing %s (%s)", Hexdump.toHexString(this.fileId), this.fileName));
        }
        return dstIndex - start;
    }

    /**
     * {@inheritDoc}
     *

                    if (expire > ctime) {
                        delay = expire - ctime;
                    }
                }

                if (delay > 2) {
                    logger.debug("delay={}", delay);
                }
                Thread.sleep(delay);
            } while (delay > 2);

            synchronized (t) {
                t.notifyAll();
            }