| GetUInt128OrDefault(JsonValue, JsonValueType) | Gets the specified JsonValue as an UInt128 value if expectedType is Undefined or matches the Type property of the specified json parameter and it can be converted to UInt128; otherwise, returns 0. |
| GetUInt128OrDefault(JsonValue, UInt128, JsonValueType) | Gets the specified JsonValue as an UInt128 value if expectedType is Undefined or matches the Type property of the specified json parameter and it can be converted to UInt128; otherwise, returns defaultValue. |