- ✅ Error messages include encoding information
- ✅ Large content handling
- ✅ Unicode and special characters
- ✅ Empty and whitespace-only content

---

## Test Coverage Summary

### Total Tests: 53 tests

### Coverage by Component:
1. **Resource Management**: 8 tests
2. **Input Validation**: 11 tests
3. **Error Handling**: 12 tests
4. **Edge Cases**: 10 tests
5. **Encoding Support**: 12 tests

        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())
                        .status(ApiResult.Status.OK)
                        .result());
    }

    /**
     * Retrieves a specific role setting by ID.
     *

    /**
     * The packet type of this DCERPC message
     */
    protected int ptype = -1;
    /**
     * The flags for this DCERPC message
     */
    protected int flags = 0;
    /**
     * The total length of this DCERPC message
     */
    protected int length = 0;
    /**
     * The call ID for matching requests and responses
     */
    protected int call_id = 0;
    /**

        SMBUtil.writeInt2(9, buffer, offset); // Structure size
        SMBUtil.writeInt2(80 - 64, buffer, offset + 2); // Buffer offset (relative to header)
        SMBUtil.writeInt4(50, buffer, offset + 4); // Total length of notification data

        // Write notification data at buffer offset 80
        int notifyOffset = 80;
        SMBUtil.writeInt4(0, buffer, notifyOffset); // NextEntryOffset (0 = last entry)

        return state == ChannelState.ACTIVE || state == ChannelState.ESTABLISHED;
    }
    
    public double getErrorRate() {
        long total = requestsSent.get();
        if (total == 0) return 0.0;
        return (double) errors.get() / total;
    }
    
    public long getThroughput() {
        long duration = System.currentTimeMillis() - establishedTime;
        if (duration == 0) return 0;

    // GET /api/admin/backup/files
    @Execute
    public JsonResponse<ApiResult> files() {
        final List<Map<String, String>> list = getBackupItems();
        return asJson(new ApiBackupFilesResponse().files(list).total(list.size()).status(ApiResult.Status.OK).result());
    }

    /**
     * Downloads a specific backup file by ID.
     * Supports various backup formats including system properties, bulk data, and NDJSON logs.
     *

        return asJson(
                new ApiResult.ApiConfigsResponse<EditBody>().settings(list.stream().map(this::createEditBody).collect(Collectors.toList()))
                        .total(pager.getAllRecordCount())
                        .status(ApiResult.Status.OK)
                        .result());
    }

    /**
     * Retrieves a specific key match setting by ID.
     *

            final List<Map<String, Object>> docList = results[searcherIndex].getDocumentList();
            if (logger.isDebugEnabled()) {
                logger.debug("Searcher[{}]: retrieved {} documents / {} total documents", searcherIndex, docList.size(),
                        results[searcherIndex].getAllRecordCount());
            }
            for (int docRank = 0; docRank < docList.size(); docRank++) {

            // Verify file ID
            byte[] actualFileId = new byte[16];
            System.arraycopy(buffer, 88, actualFileId, 0, 16);
            assertArrayEquals(testFileId, actualFileId);

            // Verify total bytes written
            assertEquals(40, bytesWritten);
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    @Test

            cleanupExecutor.shutdownNow();
            Thread.currentThread().interrupt();
        }

        // Log final statistics
        log.info("ResourceManager shutdown complete. Total allocated: {}, released: {}, leaks: {}, force cleaned: {}", totalAllocated.get(),
                totalReleased.get(), totalLeaks.get(), cleaned);
    }

    /**
     * Create a managed resource wrapper
     *