interface dom.WebGLContextAttributesimport { type dom } from "https://deno.land/x/evt@v2.3.1/lib/index.ts"; const { WebGLContextAttributes } = dom; Propertiesoptionalalpha: booleanoptionalantialias: booleanoptionaldepth: booleanoptionaldesynchronized: booleanoptionalfailIfMajorPerformanceCaveat: booleanoptionalpowerPreference: WebGLPowerPreferenceoptionalpremultipliedAlpha: booleanoptionalpreserveDrawingBuffer: booleanoptionalstencil: boolean