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## Package com.google.gwt.user.client.rpc

Classes used in client-side implementation of remote procedure calls.

See:
Description

Interface Summary
AsyncCallback<T> | The primary interface a caller must implement to receive a response from a remote procedure call.
HasRpcToken | An interface implemented by client-side RPC proxy objects.
IsSerializable | Marker interface indicating that a type is intended to be used with a `RemoteService`.
RemoteService | Marker interface that RPC interfaces should extend.
RpcToken | An interface for RPC token implementation objects included with each RPC call.
RpcTokenExceptionHandler | Handles an exception produced while processing `RpcToken`.
SerializationStreamFactory | An interface for creating `SerializationStreamReader`s and `SerializationStreamWriter`s.
SerializationStreamReader | An interface for reading values from a stream.
SerializationStreamWriter | An interface for writing values into a stream.
ServiceDefTarget | An interface implemented by client-side RPC proxy objects.
XsrfProtectedService | XSRF protected equivalent of `RemoteService`.
XsrfProtectedServiceAsync | Async peer of `XsrfProtectedService`.
XsrfTokenService | XSRF token generation RPC service.
XsrfTokenServiceAsync | Async peer of `XsrfTokenService`.

Class Summary
CustomFieldSerializer<T> | An interface that may be implemented by class-based custom field serializers which will reduce the amount of server-side reflection during serialization, hence improving their serialization performance.
RpcRequestBuilder | This class encapsulates the logic necessary to configure a RequestBuilder for use with an RPC proxy object.
XsrfToken | XSRF token.

Exception Summary
IncompatibleRemoteServiceException | Exception that will be passed to the `AsyncCallback.onFailure(Throwable)` method when an incompatibility is detected between a `RemoteService` client and its corresponding `RemoteService` server.
InvocationException | Occurs when a service invocation did not complete cleanly.
RpcTokenException | Exception that will be passed to the `RpcTokenExceptionHandler.onRpcTokenException(RpcTokenException)` method when RPC token processing resulted in an error.
SerializableException | Deprecated. As of GWT 1.5, `Exception` implements `Serializable` and can be used in place of this class
SerializationException | Base exception type for errors relating to the serialization stream.
SerializedTypeViolationException | Exception that will be passed to the `AsyncCallback.onFailure(Throwable)` method when the value of an argument to a method in an RPC message is of the incorrect type.
ServiceDefTarget.NoServiceEntryPointSpecifiedException | This exception is thrown when a service is invoked without `ServiceDefTarget.setServiceEntryPoint(String)` having been called.
StatusCodeException | Indicates that an RPC response was returned with an invalid HTTP status code.

Annotation Types Summary
GwtTransient | This annotation means the same thing as the `transient` keyword, but it is ignored by all serialization systems other than GWT's.
RemoteServiceRelativePath | Associates a `RemoteService` with a relative path.
RpcToken.RpcTokenImplementation | `RemoteService` interfaces specifying `RpcToken` implementation using this annotation will only have serializers for the specific class generated, as opposed to generating serializers for all `RpcToken` implementations.

## Package com.google.gwt.user.client.rpc Description

Classes used in client-side implementation of remote procedure calls. Most applications will be interested in AsyncCallback, InvocationException, RemoteService, and ServiceDefTarget. The other classes in this package are used primarily in implementing RPC proxies.

Overview | Package | Class | Use | Deprecated | Help
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