SpellChargeInfo

currentCharges

number (Number of charges currently available)

maxCharges

number, never secret (Max number of charges that can be accumulated)

cooldownStartTime

number (If charge cooldown is active, time at which the most recent charge cooldown began; 0 if cooldown is not active)

cooldownDuration

number (Cooldown duration in seconds required to generate a charge)

chargeModRate

number (Rate at which cooldown UI should update)

isActive

bool, never secret (False if recharging is not active (ex: at maximum available charges, start time or duration are zero); True otherwise)

Present since at least 1.60.1.70707, the first build we track.