code: function processFile(filename, options) {
  
      var text = fs.readFileSync(path.resolve(filename), "utf8"),
          result = processText(text, filename, options);
  
      return result;
  
  }
docs: Processes an individual file using bemlint. Files used here are known to
  exist, so no need to check that here.
  @param {string} filename The filename of the file being checked.
  @param {Object} configHelper The configuration options for bemlint.
  @param {Object} options The CLIEngine options object.
  @returns {Result} The results for linting on this file.
  @private