gov: Address, // Flux DAO
final_arbitrator: Address,
stake_token: Address, // FLX token
payment_token: Address, // for validity bond
validity_bond: Balance, // in payment_token
fee: FeeConfig, // see next section
default_challenge_window_duration: Number, // seconds
min_initial_challenge_window_duration: Number, // seconds
final_arbitrator_invoke_amount: Number // in FLX