   /// Calculate the full name for the given enum.
   public func fullName(enum e: EnumDescriptor) -> String {
     let relativeName = self.relativeName(enum: e)
-    guard  let containingType = e.containingType else {
+    guard let containingType = e.containingType else {
       return relativeName
     }
     return fullName(message: containingType) + "." + relativeName


  public typealias MessageExtensionNames = (value: String, has: String, clear: String)

  /// Calculate the names to use for the Swfit Extension on the extended
  /// message..
  ///
  /// - Precondition: `extensionField` must be FieldDescriptor for an extension.


    if let extensionScope = field.extensionScope {
      let extensionScopeSwiftFullName = fullName(message: extensionScope)
      // Don't worry about any sanitize api on these names; since there is a
      // Message name on the front, it should never hit a reserved word.
      //
      // fieldBaseName is the lowerCase name even though we put more on the
