Function spl_transfer_hook_interface::collect_extra_account_metas_signer_seeds

pub fn collect_extra_account_metas_signer_seeds<'a>(
    mint: &'a Pubkey,
    bump_seed: &'a [u8],
) -> [&'a [u8]; 3]

Function used by programs implementing the interface, when creating the PDA, to sign for the PDA