function fn.assertScreenPosimport { fn } from "https://deno.land/x/ddu_vim@v1.13.0/deps.ts"; const { assertScreenPos } = fn; assertScreenPos(x: unknown): asserts x is ScreenPosAssert if x is ScreenPos by raising an AssertError when it's not. Parametersx: unknownReturnsasserts x is ScreenPos