static Set<S> collectSnippetIDsInTranspiledSnippet(S snippetID) {
  if (isImageSnippetID(snippetID)) ret new Set;
  int type = getSnippetType(snippetID);
  if (!isJavaxApplicationSnippetType(type) && !isJavaxModuleSnippetType(type))
    ret new Set;
  S src = getServerTranspiled2(snippetID);
  //Set<S> set = collectSnippetIDsInText(src);
  Set<S> set = collectSnippetIDsInJavaSource(src); // skip comments
  addAll(set, map fsI(regexpAll("[0-9]+", firstLine(src)));
  ret set;
}