static boolean heredoc_pipeline_separator(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "heredoc_pipeline_separator")) return false;
    boolean r;
    r = consumeToken(b, AND_AND);
    if (!r) r = consumeToken(b, OR_OR);
    if (!r) r = consumeToken(b, AMP);
    if (!r) r = consumeToken(b, PIPE);
    if (!r) r = consumeToken(b, PIPE_AMP);
    if (!r) r = consumeToken(b, SEMI);
    return r;
  }
static boolean heredoc_pipeline_separator(PsiBuilder b, int l)