class ClientSettings:
    def __init__(self, wif: str = None, address: str = None):
        """
        Initializes client settings with validation.

        Args:
            wif: Wallet import format string
            address: FrostFS node host address
        """
        self.wif = wif
        self.address = address

        # Perform validation after initialization
        self.validate()

    def validate(self):
        """Performs runtime validation of the settings"""
        if not (self.address and self.wif):
            raise ValueError("The value must be specified ADDRESS and WIF")