static boolean block_lambda_body_impl(PsiBuilder b, int l) {
    if (!recursion_guard_(b, l, "block_lambda_body_impl")) return false;
    if (!nextTokenIs(b, T_LBRACE)) return false;
    boolean r;
    Marker m = enter_section_(b);
    r = consumeToken(b, T_LBRACE);
    r = r && mb_nl(b, l + 1);
    r = r && block_levels(b, l + 1);
    r = r && consumeToken(b, T_RBRACE);
    exit_section_(b, m, null, r);
    return r;
  }
static boolean block_lambda_body_impl(PsiBuilder b, int l)