def METHOD_NAME(self, alt_info: NeonIndexedAltInfo) -> bool:
    alt_address = SolPubKey.from_string(alt_info.alt_key)
    acct_info = self._solana.get_account_info(alt_address, commitment=SolCommit.Finalized)
    if acct_info is None:
        return True
    alt_acct_info = ALTAccountInfo.from_account_info(acct_info)
    if alt_acct_info is None:
        return True
    elif alt_acct_info.authority is None:
        LOG.warning(f'ALT {alt_info.alt_key} is frozen')
        return True
    if alt_acct_info.authority in self._config.operator_account_set:
        return False
    # don't wait for ALTs from other operators
    return True