YUI.add("attribute-base",function(t,e){function r(){t.AttributeCore.apply(this,arguments),t.AttributeObservable.apply(this,arguments),t.AttributeExtras.apply(this,arguments)}t.mix(r,t.AttributeCore,!1,null,1),t.mix(r,t.AttributeExtras,!1,null,1),t.mix(r,t.AttributeObservable,!0,null,1),r.INVALID_VALUE=t.AttributeCore.INVALID_VALUE,r._ATTR_CFG=t.AttributeCore._ATTR_CFG.concat(t.AttributeObservable._ATTR_CFG),r.protectAttrs=t.AttributeCore.protectAttrs,t.Attribute=r},"patched-v3.18.7",{requires:["attribute-core","attribute-observable","attribute-extras"]});