fn __constructor(env: soroban_sdk::Env, owner: soroban_sdk::Address)
fn owner(env: soroban_sdk::Env) -> soroban_sdk::Address
fn transfer_ownership(env: soroban_sdk::Env, new_owner: soroban_sdk::Address)
fn claim(
env: soroban_sdk::Env,
token_address: soroban_sdk::Address,
to: soroban_sdk::Address,
amount: i128,
)