docs: function outputFinalCssAsync(
      compiledCss, projectOptions, resolvedInputs, outDirs) {
    // Create final output CSS file.
    var outputCssFile = fs.createWriteStream(
        path.join(outDirs.build, projectOptions.cssModule.name + '.css'),
        {encoding: 'utf8'});
  
    // Write all uncompiled CSS, then write compiledCss & close output file.
    return common.writeTextFilesAsync(resolvedInputs.dontCompile, outputCssFile)
        .then(function() {
          // TODO: Switch to kew.nfcall() when ready...
          var promise = kew.defer();
          outputCssFile.end(compiledCss, 'utf8', promise.makeNodeResolver());
          return promise;
        });
  }