/*** Creates a theme UI for tabbar/tab components.** // SCSS* @include sencha-tabbar-ui('pink', #333, 'matte', #AE537A);** // JS* var tabs = new Ext.tab.Panel({* tabBar: {* ui: 'pink',* dock: 'bottom',* layout: { pack: 'center' }* },* ...* });** @param {string} $ui-label The name of the UI being created.* Can not included spaces or special punctuation (used in class names)* @param {color} $bar-color Base color for the tab bar.* @param {string} $bar-gradient Background gradient style for the tab bar.* @param {color} $tab-active-color Background-color for active tab icons.** @member Ext.tab.Bar* @deprecated Use {@link Ext.tab.Bar#tabbar-ui} and {@link Ext.tab.Tab#tab-ui} instead*/