type alias Arrowimport { type Arrow } from "https://deno.land/x/fun@v2.0.0/examples/arrow.ts"; Type ParametersU extends KindAIoptionalJ = neveroptionalK = neveroptionalL = unknownoptionalM = unknowndefinition: (a: A) => $<U, [I, J, K], [L], [M]>