          * Executes a test function on each item in the stream until an item is reached
          * that returns true. Use this method to determine whether any items in a
          * stream meet a criterion, such as having a value less than a particular number.
-         * @param callback
+         * @param callback The function to run on each item in the stream.
+         *                 <p><code>function(item:*):Boolean</code></p>
          * @return  A Boolean value of true if any items in the stream return true for the specified function; otherwise false.
          */
         public function some(callback:Function):Boolean

            }
        }


        /*
         * IExternalizable part
         * --------------------------------------------
         */

        /**
         * A class implements this method to decode itself from a data stream by calling
         * the methods of the IDataInput interface. This method must read the values in
         * the same sequence and with the same types as were written by the writeExternal() method.
         * @param input The name of the class that implements the IDataInput interface.
         * @private
         */
        public function readExternal(input:IDataInput):void
        {

            return this;
        }

        /**
         * Executes a function on each item in a stream, and constructs a new
         * stream of items corresponding to the results of the function on each
         * item in the original stream.
         * @param callback The function to run on each item in the stream.
         *         <p><code>function(item:*):Boolean</code></p>
         * @return A new stream that contains the results of the function on each item in the original stream.
         */
        public function map(callback:Function):Stream
        {
            return new Stream(source.map(function (item:*, index:int, array:Array):*
