code: public AccountSharedAccess updateSharedAccess(String accountId, AccountSharedAccess accountSharedAccess) throws ApiException {
      return updateSharedAccess(accountId, accountSharedAccess, null);
    }
docs: Reserved: Sets the shared access information for users.
  Reserved: Sets the shared access information for one or more users.
  @param accountId The external account number (int) or account ID Guid. (required)
  @param accountSharedAccess  (optional)
  @return AccountSharedAccess