File class

1. Constructors
2. File
3. Properties
4. absolute
5. basename
6. dirname
7. fileSystem
8. hashCode
9. isAbsolute
10. parent
11. path
12. runtimeType
13. uri
14. Methods
15. copy
16. copySync
17. create
18. rename
19. renameSync
20. writeAsBytes
21. writeAsString
22. createSync
23. delete
24. deleteSync
25. exists
26. existsSync
27. lastAccessed
28. lastAccessedSync
29. lastModified
30. lastModifiedSync
31. length
32. lengthSync
33. noSuchMethod
34. open
35. openRead
36. openSync
37. openWrite
38. readAsBytes
39. readAsBytesSync
40. readAsLines
41. readAsLinesSync
42. readAsString
43. readAsStringSync
44. resolveSymbolicLinks
45. resolveSymbolicLinksSync
46. setLastAccessed
47. setLastAccessedSync
48. setLastModified
49. setLastModifiedSync
50. stat
51. statSync
52. toString
53. watch
54. writeAsBytesSync
55. writeAsStringSync
56. Operators
57. operator ==