1) hex string with `0x` prefix;
    2) hex string of 64 char length without `0x` prefix;
    3) decimal string.

SDK-4253

…ions:

   - `toUnitsString` was renamed to `toUnitsDecimalString` returns string with possible fractional part separated with `.` sign;
   - new `toUnitsBigInt` returns integral value as a `bigint`;
   - new `toUnitsBigIntString` returns integral value in string representation;
   - `toUnits` now is an alias for `toUnitsBigIntString`.
NEW: `Trader.deployEverWallet` accepts token parameters as `TokenValue` instead of `number`.

…<exit-code>. <known-contract-error-message>.".

SDK-4249