GlyphSet constructor Null safety

1. Flutter
2. term_glyph
3. GlyphSet
4. GlyphSet constructor

GlyphSet class

1. Constructors
2. GlyphSet
3. Properties
4. bottomLeftCorner
5. bottomLeftCornerBold
6. bottomLeftCornerDouble
7. bottomRightCorner
8. bottomRightCornerBold
9. bottomRightCornerDouble
10. bullet
11. cross
12. crossBold
13. crossDouble
14. downArrow
15. downEnd
16. downEndBold
17. hashCode
18. horizontalLine
19. horizontalLineBold
20. horizontalLineDouble
21. horizontalLineDoubleDash
22. horizontalLineDoubleDashBold
23. horizontalLineQuadrupleDash
24. horizontalLineQuadrupleDashBold
25. horizontalLineTripleDash
26. horizontalLineTripleDashBold
27. leftArrow
28. leftEnd
29. leftEndBold
30. longLeftArrow
31. longRightArrow
32. rightArrow
33. rightEnd
34. rightEndBold
35. runtimeType
36. teeDown
37. teeDownBold
38. teeDownDouble
39. teeLeft
40. teeLeftBold
41. teeLeftDouble
42. teeRight
43. teeRightBold
44. teeRightDouble
45. teeUp
46. teeUpBold
47. teeUpDouble
48. topLeftCorner
49. topLeftCornerBold
50. topLeftCornerDouble
51. topRightCorner
52. topRightCornerBold
53. topRightCornerDouble
54. upArrow
55. upEnd
56. upEndBold
57. verticalLine
58. verticalLineBold
59. verticalLineDouble
60. verticalLineDoubleDash
61. verticalLineDoubleDashBold
62. verticalLineQuadrupleDash
63. verticalLineQuadrupleDashBold
64. verticalLineTripleDash
65. verticalLineTripleDashBold
66. Methods
67. glyphOrAscii
68. noSuchMethod
69. toString
70. Operators
71. operator ==