interface Account {
    float
    get_balance();
    void
    deposit(
        in float addition
    );
};
interface Bank {
    ::Account
    create_account(
        in string account_name
    );
    Object
    create_epr_account(
        in string account_name
    );
    ::Account
    get_account(
        in string account_name
    );
    Object
    get_epr_account(
        in string account_name
    );
    Object
    get_account_epr_with_no_use_attribute(
        in string account_name
    );
    void
    find_account(
        inout any account_details
    );
    void
    remove_account(
        in string account_name
    );
};