docs: function( transformations ) {
  			if ( this.disabled )
  				return;
  
  			if ( !transformations )
  				return;
  
  			var optimized = this._.transformations,
  				group, i;
  
  			for ( i = 0; i < transformations.length; ++i ) {
  				group = optimizeTransformationsGroup( transformations[ i ] );
  
  				if ( !optimized[ group.name ] )
  					optimized[ group.name ] = [];
  
  				optimized[ group.name ].push( group.rules );
  			}
  		}