function imgui.beginimport { imgui } from "https://deno.land/x/dwm@0.3.6/ext/imgui.ts"; const { begin } = imgui; begin(name: StringSource,open?: Uint8Array | null,flags?: ImGuiWindowFlags,): booleanParametersname: StringSourceoptionalopen: Uint8Array | null = [UNSUPPORTED]optionalflags: ImGuiWindowFlags = [UNSUPPORTED]Returnsboolean