fn __constructor(
env: soroban_sdk::Env,
signers: soroban_sdk::Vec>,
)
fn add_limit(env: soroban_sdk::Env, token: soroban_sdk::Address, limit: i128)
fn __check_auth(
env: soroban_sdk::Env,
signature_payload: soroban_sdk::BytesN<32>,
signatures: soroban_sdk::Vec,
auth_context: soroban_sdk::Vec,
) -> Result<(), AccError>