This class is intended to be extended and should not be created directly. For existing implementations,
see <a href="output/Ext.data.DirectProxy.html" ext:cls="Ext.data.DirectProxy">Ext.data.DirectProxy</a>, <a href="output/Ext.data.HttpProxy.html" ext:cls="Ext.data.HttpProxy">Ext.data.HttpProxy</a>, <a href="output/Ext.data.ScriptTagProxy.html" ext:cls="Ext.data.ScriptTagProxy">Ext.data.ScriptTagProxy</a> and
<a href="output/Ext.data.MemoryProxy.html" ext:cls="Ext.data.MemoryProxy">Ext.data.MemoryProxy</a>.</p>
This class is intended to be extended and should not be created directly. For existing implementations,
see <a href="output/Ext.data.DirectProxy.html" ext:cls="Ext.data.DirectProxy">Ext.data.DirectProxy</a>, <a href="output/Ext.data.HttpProxy.html" ext:cls="Ext.data.HttpProxy">Ext.data.HttpProxy</a>, <a href="output/Ext.data.ScriptTagProxy.html" ext:cls="Ext.data.ScriptTagProxy">Ext.data.ScriptTagProxy</a> and
<a href="output/Ext.data.MemoryProxy.html" ext:cls="Ext.data.MemoryProxy">Ext.data.MemoryProxy</a>.</p>