Function solana_sdk::stake_weighted_timestamp::calculate_stake_weighted_timestamp

pub fn calculate_stake_weighted_timestamp<I, K, V, T>(
    unique_timestamps: I, 
    stakes: &HashMap<Pubkey, (u64, T)>, 
    slot: Slot, 
    slot_duration: Duration, 
    estimate_type: EstimateType, 
    epoch_start_timestamp: Option<(Slot, UnixTimestamp)>
) -> Option<UnixTimestamp> where
    I: IntoIterator<Item = (K, V)>,
    K: Borrow<Pubkey>,
    V: Borrow<(Slot, UnixTimestamp)>,