* as well as a method to validate the header.
 *
 * <p>Example usage:</p>
 * <pre>
 *     RequestHeader header = new RequestHeader("Content-Type", "application/json");
 *     String name = header.getName();
 *     String value = header.getValue();
 *     boolean isValid = header.isValid();
 * </pre>
 *

- Provide detailed error messages with context
- Add logging with contextual information

### Resource Files

- `src/main/resources/suggest_indices/suggest.json` - Index settings
- `src/main/resources/suggest_indices/suggest/mappings-default.json` - Field mappings
- `src/main/resources/suggest_settings/` - Default configurations

---

## Testing

### Test Framework

<components>
	<include path="fess_config.xml"/>

	<component name="webApiManagerFactory" class="org.codelibs.fess.api.WebApiManagerFactory">
	</component>

	<component name="searchApiManager" class="org.codelibs.fess.api.json.SearchApiManager">
	</component>
	<component name="searchEngineApiManager" class="org.codelibs.fess.api.engine.SearchEngineApiManager">
	</component>

    //                                                                      ==============

    /**
     * Retrieves the list of available log files.
     *
     * @return JSON response containing log file list
     */
    // GET /api/admin/log/files
    @Execute
    public JsonResponse<ApiResult> files() {
        final List<Map<String, Object>> list = getLogFileItems();

            final AcknowledgedResponse putMappingResponse = fesenClient.get(c -> {
                final String source = FileUtil.readText("mapping/" + mappingName + ".json");
                return c.admin().indices().preparePutMapping(index).setSource(source, XContentType.JSON).execute();
            });
            if (putMappingResponse.isAcknowledged()) {
                logger.info("Created {} mapping.", index);
            } else {

     */
    public enum SearchRequestType {
        /** Search request type. */
        SEARCH,
        /** Admin search request type. */
        ADMIN_SEARCH,
        /** JSON request type. */
        JSON,
        /** GSA request type. */
        GSA,
        /** Suggest request type. */
        SUGGEST;
    }

    /**
     * Returns the response fields.
     *

 - [Git](https://github.com/codelibs/fess-ds-git)
 - [Gitbucket](https://github.com/codelibs/fess-ds-gitbucket)
 - [G Suite](https://github.com/codelibs/fess-ds-gsuite)
 - [JSON](https://github.com/codelibs/fess-ds-json)
 - [Office 365](https://github.com/codelibs/fess-ds-office365)
 - [S3](https://github.com/codelibs/fess-ds-s3)
 - [Salesforce](https://github.com/codelibs/fess-ds-salesforce)

        try (final InputStream is = this.getClass().getClassLoader().getResourceAsStream("suggest_indices/suggest/mappings-default.json")) {
            if (is == null) {
                throw new IOException("Resource not found: suggest_indices/suggest/mappings-default.json");
            }
            return new String(is.readAllBytes(), StandardCharsets.UTF_8);
        }
    }

            } else if (lowerPath.endsWith(".js")) {
                response.setContentType("text/javascript");
            } else if (lowerPath.endsWith(".json")) {
                response.setContentType("application/json");
            } else if (lowerPath.endsWith(".otf")) {
                response.setContentType("font/otf");
            } else if (lowerPath.endsWith(".svg")) {

        properties.put("Accept", Collections.singletonList("application/json"));
        when(mockConnection.getRequestProperties()).thenReturn(properties);
        // Need to mock getRequestProperty as well since it delegates to wrapped connection
        when(mockConnection.getRequestProperty("Accept")).thenReturn("application/json");

        // Act