docs: function(element, from, to, className, options) {
          options = prepareAnimateOptions(options);
          options.from = options.from ? extend(options.from, from) : from;
          options.to   = options.to   ? extend(options.to, to)     : to;
  
          className = className || 'ng-inline-animate';
          options.tempClasses = mergeClasses(options.tempClasses, className);
          return $$animateQueue.push(element, 'animate', options);
        }