Function solana_vote_program::vote_state::process_vote_state_update

pub fn process_vote_state_update<S: BuildHasher>(
    vote_account: &KeyedAccount<'_>, 
    slot_hashes: &[SlotHash], 
    clock: &Clock, 
    vote_state_update: VoteStateUpdate, 
    signers: &HashSet<Pubkey, S>
) -> Result<(), InstructionError>