private static boolean hasLhsUsages(@NotNull GrIntroduceContext context) {
    if (context.getVar() == null && !(context.getExpression() instanceof GrReferenceExpression)) return false;
    if (GrIntroduceHandlerBase.hasLhs(context.getOccurrences())) return true;
    return false;
  }
private static boolean hasLhsUsages(@NotNull GrIntroduceContext context)