For text fields, edits, etc. to work with screen readers when using UIA, we will need to implement these interfaces. This is likely at least one step necessary in the UIA approach to resolving #103464 (comment)

AXPlatformNodeWin will need to provide an implementation of ITextProvider (which may be itself) in response to certain pattern ID requests, and we will need an implementation of ITextRangeProvider to represent ranges of text/selections.