fn set_adm(env: soroban_sdk::Env, addr: soroban_sdk::Address)fn upgrade(env: soroban_sdk::Env, hash: soroban_sdk::BytesN<32>)fn set_maps(
env: soroban_sdk::Env,
items: soroban_sdk::Vec<(u32, soroban_sdk::Address)>,
)fn strict_send(
env: soroban_sdk::Env,
sender: soroban_sdk::Address,
recipient: soroban_sdk::Address,
to_send: u128,
min_to_get: u128,
path: soroban_sdk::Vec<(u32, u32, u32, u32)>,
refs: soroban_sdk::Vec<(soroban_sdk::Address, u128)>,
) -> (u128, u128)