class BooleanKeyframeTrack
extends KeyframeTrack
import { BooleanKeyframeTrack } from "https://deno.land/x/threejs_4_deno@v121/src/animation/tracks/BooleanKeyframeTrack.js";
x/threejs_4_deno/src/animation/tracks/BooleanKeyframeTrack.js>BooleanKeyframeTrack
import { BooleanKeyframeTrack } from "https://deno.land/x/threejs_4_deno@v121/src/animation/tracks/BooleanKeyframeTrack.js";