fn s(
env: soroban_sdk::Env,
user: soroban_sdk::Address,
input_token: soroban_sdk::Address,
input_amt: i128,
to: soroban_sdk::Address,
output_token: soroban_sdk::Address,
out_amt_min: i128,
ops: soroban_sdk::Vec<
(
soroban_sdk::Symbol,
soroban_sdk::Address,
soroban_sdk::Vec,
soroban_sdk::Address,
soroban_sdk::Address,
),
>,
)