I can't set derivation path to this library

[saeedishayan76]

Hi i want to set derivation path to my wallet to create a trust wallet like address but i can't .
this is my code.

val mnemonic =
"sample"
val seed = Mnemonic.toSeed(
mnemonic.split(" "),
)
val privateKey =
PrivateKeyEd25519(seed)

val contract =
WalletV4R2Contract(liteClient, WalletV4R2Contract.address(privateKey))