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## Package com.google.gwt.core.client

Fundamental classes used in client-side GWT code.

See:
Description

Interface Summary
AsyncProvider<T,F> | An object capable of providing an instance of type T asynchronously via `Callback`.
Callback<T,F> | A callback for any asynchronous call that can result in success or failure.
EntryPoint | Implement this interface to allow a class to act as a module entry point.
GWT.UncaughtExceptionHandler | This interface is used to catch exceptions at the "top level" just before they escape to the browser.
RunAsyncCallback | A callback meant to be used by `GWT.runAsync(RunAsyncCallback)`.
Scheduler.RepeatingCommand | General-purpose Command interface for tasks that repeat.
Scheduler.ScheduledCommand | General-purpose Command interface.

Class Summary
Duration | A utility class for measuring elapsed time.
GWT | Supports core functionality that in some cases requires direct support from the compiler and runtime systems such as runtime type information and deferred binding.
GWTBridge | When running in Development Mode, acts as a bridge from `GWT` into the Development Mode environment.
HttpThrowableReporter | This is a utility class which can report Throwables to the server via a JSON-formatted payload.
JavaScriptObject | An opaque handle to a native JavaScript object.
JsArray<T extends JavaScriptObject> | A simple wrapper around a homogeneous native array of `JavaScriptObject` values.
JsArrayBoolean | A simple wrapper around a homogeneous native array of boolean values.
JsArrayInteger | A simple wrapper around a homogeneous native array of integer values.
JsArrayMixed | A simple wrapper around an heterogeneous native array of values.
JsArrayNumber | A simple wrapper around a homogeneous native array of numeric values.
JsArrayString | A simple wrapper around a homogeneous native array of string values.
JsDate | A simple wrapper around a native JS Date object.
JsonUtils | Provides JSON-related utility methods.
Scheduler | This class provides low-level task scheduling primitives.
ScriptInjector | Dynamically create a script tag and attach it to the DOM.
ScriptInjector.FromString | Builder for directly injecting a script body into the DOM.
ScriptInjector.FromUrl | Build an injection call for adding a script by URL.

Enum Summary
CodeDownloadException.Reason | Reason codes for the interruption of code down load.

Exception Summary
CodeDownloadException | Exception indicating an interruption while downloading resources.
JavaScriptException | Any JavaScript exceptions occurring within JSNI methods are wrapped as this class when caught in Java code.

Annotation Types Summary
GwtScriptOnly | This annotation is used to break out of a module's source path in hosted mode.
SingleJsoImpl | This annotation may be placed on an interface to declare the single JavaScriptObject type that implements the interface.
SingleJsoImplName | This annotation may be placed on an interface to name the single JavaScriptObject type that implements the interface.
UnsafeNativeLong | This annotation can be placed on a native method to allow it to directly access Java `long` values.

## Package com.google.gwt.core.client Description

Fundamental classes used in client-side GWT code. The classes in this package represent concepts fundamental to GWT, such as module entry points, and interfacing with JavaScript.

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