fn execute(
env: soroban_sdk::Env,
contract: soroban_sdk::Address,
func: soroban_sdk::Symbol,
args: soroban_sdk::Vec,
) -> Result
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 version(env: soroban_sdk::Env) -> soroban_sdk::String
fn required_auths(env: soroban_sdk::Env) -> soroban_sdk::Vec
fn upgrade(env: soroban_sdk::Env, new_wasm_hash: soroban_sdk::BytesN<32>)
fn migrate(
env: soroban_sdk::Env,
migration_data: __TokenManagerMigrationData,
) -> Result<(), ContractError>