code: public static DocumentPermissionUpdater updater(final String pathServiceSid, 
                                                      final String pathDocumentSid, 
                                                      final String pathIdentity, 
                                                      final Boolean read, 
                                                      final Boolean write, 
                                                      final Boolean manage) {
          return new DocumentPermissionUpdater(pathServiceSid, pathDocumentSid, pathIdentity, read, write, manage);
      }
docs: Create a DocumentPermissionUpdater to execute update.
  
  @param pathServiceSid Sync Service Instance SID or unique name.
  @param pathDocumentSid Sync Document SID or unique name.
  @param pathIdentity Identity of the user to whom the Sync Document
  Permission applies.
  @param read Read access.
  @param write Write access.
  @param manage Manage access.
  @return DocumentPermissionUpdater capable of executing the update