expr.SQL = m.DataTypeOf(field)

	if field.NotNull {
		expr.SQL += " NOT NULL"
	}

	if field.HasDefaultValue && (field.DefaultValueInterface != nil || field.DefaultValue != "") {
		if field.DefaultValueInterface != nil {
			defaultStmt := &gorm.Statement{Vars: []interface{}{field.DefaultValueInterface}}
			m.Dialector.BindVarTo(defaultStmt, defaultStmt, field.DefaultValueInterface)

    /**
     * The media-type multipart/form-data follows the rules of all multipart MIME data streams as
     * outlined in RFC 2046. In forms, there are a series of fields to be supplied by the user who
     * fills out the form. Each field has a name. Within a given form, the names are unique.
     */
    @JvmField
    val FORM = "multipart/form-data".toMediaType()

     * Specifies the language preference if redirection fails.
     */
    public String lang;

    /**
     * Additional fields map for error page fallback.
     * Contains extra search parameters as key-value pairs if redirection fails.
     */
    public Map<String, String[]> fields = new HashMap<>();

	elapsed := time.Since(begin)
	sql, rows := fc()
	fields := []slog.Attr{
		slog.String("duration", fmt.Sprintf("%.3fms", float64(elapsed.Nanoseconds())/1e6)),
		slog.String("sql", sql),
	}

	if rows != -1 {
		fields = append(fields, slog.Int64("rows", rows))
	}

	switch {
	case err != nil && (!l.IgnoreRecordNotFoundError || !errors.Is(err, ErrRecordNotFound)):
		fields = append(fields, slog.String("error", err.Error()))

        assertEquals(4, c.getDeclaredFields().length, "Unexpected number of fields");
        assertEquals(0, c.getDeclaredMethods().length, "No declared methods expected");
        assertEquals(0, c.getDeclaredConstructors().length, "Interfaces have no constructors");
    }

    @Test
    @DisplayName("Fields are public static final Strings with expected values")
    void fieldModifiersAndTypes() throws Exception {

Por exemplo, você pode usar isso para adicionar metadados para uma interface de usuário de front-end, etc.

///

## `Field` de argumentos adicionais

Ao usar `Field ()` com modelos Pydantic, você também pode declarar informações extras para o **JSON Schema** passando quaisquer outros argumentos arbitrários para a função.

		expr := clause.Expr{SQL: "count(*)"}

		if len(tx.Statement.Selects) == 1 {
			dbName := tx.Statement.Selects[0]
			fields := strings.FieldsFunc(dbName, utils.IsValidDBNameChar)
			if len(fields) == 1 || (len(fields) == 3 && (strings.ToUpper(fields[1]) == "AS" || fields[1] == ".")) {
				if tx.Statement.Parse(tx.Statement.Model) == nil {
					if f := tx.Statement.Schema.LookUpField(dbName); f != nil {

        assertEquals(1L, getSerialVersionUID());
    }

    private long getSerialVersionUID() {
        try {
            java.lang.reflect.Field field = FessMessages.class.getDeclaredField("serialVersionUID");
            field.setAccessible(true);
            return field.getLong(null);
        } catch (Exception e) {
            fail("Failed to get serialVersionUID: " + e.getMessage());
            return -1;
        }

        byte[] buffer = new byte[2048];
        int bytesWritten = request.writeBytesWireFormat(buffer, 0);

        assertTrue(bytesWritten > 0);

        // Verify name length field at offset 46 (after 44 bytes of fixed fields + 2 for name offset)
        byte[] nameBytes = longPath.getBytes(StandardCharsets.UTF_16LE);
        int nameLenInBuffer = (buffer[46] & 0xFF) | ((buffer[47] & 0xFF) << 8);

    }

    public void test_fields() {
        final Map<String, String[]> fields = Collections.singletonMap("title", new String[] { "test" });
        assertEquals("title:\"test\"", getQuery("", new String[0], fields, Collections.emptyMap(), false));

        final Map<String, String[]> multiFields = Collections.singletonMap("content", new String[] { "value1", "value2" });