mkalinin

```python
def process_pending_balance_exits(state: BeaconState) -> None:
    state.withdrawal_balance_to_consume += get_validator_churn_limit(state)
    for pending_balance_withdrawal in state.pending_balance_withdrawals:
        if pending_balance_withdrawal.withdrawable_epoch != FAR_FUTURE_EPOCH:
            continue
        
        validator = state.validators[pending_balance_withdrawal.index]
        exiting_balance = Gwei(0)