interface dom.WebGLContextAttributesimport { type dom } from "https://deno.land/x/evt@v2.4.6/mod.ts"; const { WebGLContextAttributes } = dom; Propertiesoptionalalpha: booleanoptionalantialias: booleanoptionaldepth: booleanoptionaldesynchronized: booleanoptionalfailIfMajorPerformanceCaveat: booleanoptionalpowerPreference: WebGLPowerPreferenceoptionalpremultipliedAlpha: booleanoptionalpreserveDrawingBuffer: booleanoptionalstencil: boolean