pub fn redelegate(
    stake_pubkey: &Pubkey,
    authorized_pubkey: &Pubkey,
    vote_pubkey: &Pubkey,
    uninitialized_stake_pubkey: &Pubkey
) -> Vec<Instruction, Global>Notable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where
    A: Allocator