BigInt class

1. Constructors
2. from
3. Properties
4. bitLength
5. isEven
6. isNegative
7. isOdd
8. isValidInt
9. sign
10. hashCode
11. runtimeType
12. Methods
13. abs
14. compareTo
15. gcd
16. modInverse
17. modPow
18. pow
19. remainder
20. toDouble
21. toInt
22. toRadixString
23. toSigned
24. toString
25. toUnsigned
26. noSuchMethod
27. Operators
28. operator %
29. operator &
30. operator *
31. operator +
32. operator -
33. operator /
34. operator <
35. operator <<
36. operator <=
37. operator >
38. operator >=
39. operator >>
40. operator ^
41. operator unary-
42. operator |
43. operator ~
44. operator ~/
45. operator ==
46. Static properties
47. one
48. two
49. zero
50. Static methods
51. parse
52. tryParse