message: fix(svg/PatternManager): comment the unused and unexported variable patternSizeCache.
diff: @@ -219,7 +219,7 @@ export default class PatternManager extends Definable {
  }
  -const patternSizeCache = new LRU<CachedImageObj>(50);
  +// const patternSizeCache = new LRU<CachedImageObj>(50);
  type CachedImageObj = {
  width: number,
  