docs: function(next) {
            async.map([src,dest], function(path, done) {
              fs.stat(path, function(err, stat) {
                done(null, stat); // Ignore error
              });
            },
            function(err, results) {
              statSrc  = results[0];
              statDest = results[1];
              if(!statSrc) {
                // src is needed
                next(new Error('File not found: ' + src));
              }
              // Ignore anything that is not directory or file
              if(!(statSrc.isFile() || statSrc.isDirectory())) {
                grunt.verbose.writeln('  Ignore:'+' Source is not a file or a directory.'.grey);
                return done(null, false);
              }
  
              // Add stat to options for user defined transform & process
              options.statSrc  = statSrc;
              options.statDest = statDest;
  
              next();
            });
          }