A visual position in a string of text.
- affinity → TextAffinity
If the offset has more than one visual location (e.g., occurs at a line
break), which of the two locations is represented by this position. [...]
- hashCode → int
The hash code for this object. [...]
- offset → int
The index of the character that immediately follows the position. [...]
- runtimeType → Type
A representation of the runtime type of the object.