How to use the dojox.collections function in dojox

/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){
dojo._hasResource["dojox.collections"]=true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");
}

/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){dojo._hasResource["dojox.collections"]=true;dojo.provide("dojox.collections");dojo.require("dojox.collections._base");}

/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.collections"] = true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");

}

/*
	Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){
dojo._hasResource["dojox.collections"]=true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");
}

/*
	Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.collections"] = true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");

}

/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){
dojo._hasResource["dojox.collections"]=true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");
}

/*
	Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.collections"]){
dojo._hasResource["dojox.collections"]=true;
dojo.provide("dojox.collections");
dojo.require("dojox.collections._base");
}