code: function normalizePEMContent(root, file) {
    if (Array.isArray(file)) return file.map(function map(item) {
      return normalizePEMContent(root, item)
    });
  
    //
    // Assumption that this is a Buffer, a PEM file, or something broken
    //
    if (typeof(file) !== 'string' || pemFormat.test(file)) {
      return file;
    }
  
    return fs.readFileSync(path.resolve(root, file));
  }
docs: function normalizePEMContent(root, file)
  Returns the contents of `file` verbatim if it is determined to be
  certificate material and not a file path. Otherwise, returns the
  certificate material read from that file path.