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-rw-r--r--src/com/vaadin/terminal/Extension.java27
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diff --git a/src/com/vaadin/terminal/Extension.java b/src/com/vaadin/terminal/Extension.java
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--- a/src/com/vaadin/terminal/Extension.java
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@@ -1,27 +0,0 @@
-/*
-@VaadinApache2LicenseForJavaFiles@
- */
-
-package com.vaadin.terminal;
-
-import com.vaadin.terminal.gwt.server.ClientConnector;
-
-/**
- * An extension is an entity that is attached to a Component or another
- * Extension and independently communicates between client and server.
- * <p>
- * An extension can only be attached once. It is not supported to move an
- * extension from one target to another.
- * <p>
- * Extensions can use shared state and RPC in the same way as components.
- *
- * @author Vaadin Ltd
- * @version @VERSION@
- * @since 7.0.0
- */
-public interface Extension extends ClientConnector {
- /*
- * Currently just an empty marker interface to distinguish between
- * extensions and other connectors, e.g. components
- */
-}