System.UInt32 long System.Number System.IComparable System.IFormattable System.IConvertible MinValue System.UInt32 0 MaxValue System.UInt32 4294967295L /* UInt32.MaxValue */ System.String ToString String.valueOf(${this}) System.UInt32 Parse System.String str Long.valueOf(${str}) System.Object System.UInt32 ((Long) ${expr})