## Help others with questions in GitHub { #help-others-with-questions-in-github }

You can try and help others with their questions in:

* <a href="https://github.com/fastapi/fastapi/discussions/categories/questions?discussions_q=category%3AQuestions+is%3Aunanswered" class="external-link" target="_blank">GitHub Discussions</a>

 *       returned writer is closed.
 *   <li><b>Convenience methods:</b> These are implementations of common operations that are
 *       typically implemented by opening a writer using one of the methods in the first category,
 *       doing something and finally closing the writer that was opened.
 * </ul>
 *
 * <p>Any {@link ByteSink} may be viewed as a {@code CharSink} with a specific {@linkplain Charset

    }

    public void test_isFacetField() {
        String[] facetFields = { "category", "type", "author", "date" };
        queryFieldConfig.setFacetFields(facetFields);

        // Test valid facet fields
        assertTrue(queryFieldConfig.isFacetField("category"));
        assertTrue(queryFieldConfig.isFacetField("type"));
        assertTrue(queryFieldConfig.isFacetField("author"));

        assertEquals(messageCode, exception.getMessageCode());
    }

    public void test_messageWithSpecialCharacters() {
        // Setup
        final String message = "Query error: field:\"test value\" AND category:[A TO Z] OR tag:#hashtag @mention $special %wildcard";
        final VaMessenger<FessMessages> messageCode = messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY);

```

### Request Parameters

```java
SuggestResponse response = suggester.suggest()
    .setQuery("search term")
    .setSize(10)                           // max results
    .setTags(new String[]{"category"})      // filter by tags
    .setRoles(new String[]{"user"})         // filter by roles  
    .setLanguages(new String[]{"en", "ja"}) // language preference
    .setFields(new String[]{"title"})       // search specific fields

labels.teletexTerminalIdentifier=Teletex Terminal Identifier
labels.user_x121Address=x121Address
labels.x121Address=x121Address
labels.user_businessCategory=Business Category
labels.businessCategory=Business Category
labels.user_registeredAddress=Registered Address
labels.registeredAddress=Registered Address
labels.user_displayName=Display Name
labels.displayName=Display Name

 * </p>
 * <p>
 * If no pattern is specified, the pattern used for conversion depends on the locale as follows:
 * </p>
 * <table border="1">
 * <caption>Conversion Patterns</caption>
 * <tr>
 * <th>Category</th>
 * <th>Pattern</th>
 * <th>Example for {@link Locale#JAPANESE}</th>
 * </tr>
 * <tr>
 * <td rowspan="4">Standard formats of {@link DateFormat}</td>
 * <td>{@link DateFormat#SHORT} format</td>

* Make sure the new link is in the correct category (e.g. "Podcasts") and language (e.g. "Japanese").
* A new link should be at the top of its list.
* The link URL should work (it should not return a 404).
* The content of the link should be about FastAPI.

 * </p>
 * <p>
 * If no pattern is specified, the pattern used for conversion depends on the locale as follows:
 * </p>
 * <table border="1">
 * <caption>Conversion Patterns</caption>
 * <tr>
 * <th>Category</th>
 * <th>Pattern</th>
 * <th>Example for {@link Locale#JAPANESE}</th>
 * </tr>
 * <tr>
 * <td rowspan="4">Standard {@link DateFormat} formats</td>
 * <td>{@link DateFormat#SHORT} format</td>

 * </p>
 * <p>
 * If no pattern is specified, the pattern used for conversion depends on the locale as follows:
 * </p>
 * <table border="1">
 * <caption>Conversion Patterns</caption>
 * <tr>
 * <th>Category</th>
 * <th>Pattern</th>
 * <th>Example for {@link Locale#JAPANESE}</th>
 * </tr>
 * <tr>
 * <td rowspan="4">Standard formats of {@link DateFormat}</td>
 * <td>{@link DateFormat#SHORT} format</td>