See: Description
| Interface | Description | 
|---|---|
| AlternateMessageSelector | Defines a way of choosing between alternate messages based on a parameter
 value. | 
| CustomDateTimeFormat | Create a custom localized date/time format at compile time. | 
| DateTimeFormatInfo | Information required for formatting and parsing localized date/time values. | 
| GwtLocale | Class representing GWT locales and conversion to/from other formats. | 
| GwtLocaleFactory | Factories that know how to create GwtLocale instances. | 
| HasDirectionEstimator | Interface for objects that have a direction estimator. | 
| Localizable | A tag interface that serves as the root of a family of types used in static
 internationalization. | 
| TimeZone | Abstracts a GWT timezone. | 
| Class | Description | 
|---|---|
| AlternateMessageSelector.AlternateForm | Represents an alternate form of a message. | 
| AnyRtlDirectionEstimator | Direction estimator that uses the "any RTL" heuristic. | 
| BidiFormatter | Utility class for formatting text for display in a potentially
 opposite-direction context without garbling. | 
| BidiFormatter.Factory | |
| BidiFormatterBase | Base class for  BidiFormatterandSafeHtmlBidiFormatterthat
 contains their common implementation. | 
| BidiFormatterBase.Factory<T extends BidiFormatterBase> | Abstract factory class for BidiFormatterBase. | 
| BidiFormatterBase.Format | A container class for direction-related string constants, e.g. | 
| BidiUtils | Utility functions for performing common Bidi tests on strings. | 
| DateTimeFormat | Formats and parses dates and times using locale-sensitive patterns. | 
| DefaultDateTimeFormatInfo | Default implementation of DateTimeFormatInfo interface, using values from
 the CLDR root locale. | 
| DirectionEstimator | Interface for direction estimators. | 
| FirstStrongDirectionEstimator | Direction estimator that uses the "first strong" heuristic. | 
| SafeHtmlBidiFormatter | |
| SafeHtmlBidiFormatter.Factory | |
| WordCountDirectionEstimator | Direction estimator that uses the "word count" heuristic. | 
| Enum | Description | 
|---|---|
| DateTimeFormat.PredefinedFormat | Predefined date/time formats -- see  CustomDateTimeFormatif you
 need some format that isn't supplied here. | 
| Annotation Type | Description | 
|---|---|
| CustomDateTimeFormat.Pattern | Annotation containing the pattern skeleton. |