It is the intent of the Legislature that neither this chapter, Chapter 2.5 (commencing with Section 1000) of this title, nor any other provision of law be construed to preempt other current or future pretrial or precomplaint diversion programs. It is also the intent of the Legislature that current or future posttrial diversion programs not be preempted, except as provided in Section 13201 or 13352.5 of the Vehicle Code. Sections 1001.2 to 1001.11, inclusive, of this chapter shall apply only to pretrial diversion programs as defined in Section 1001.1.