In this chapter:
(1) "Criminal law cases and proceedings" includes cases and proceedings for allegations of conduct punishable in part by confinement in the county jail not to exceed one year.
(2) "Family law cases and proceedings" includes cases and proceedings under Titles 1, 2, 4, and 5, Family Code.
(3) "Juvenile law cases and proceedings" includes all cases and proceedings brought under Title 3, Family Code.
(4) "Mental health cases and proceedings" includes all cases and proceedings brought under Chapter 462, Health and Safety Code, or Subtitle C or D, Title 7, Health and Safety Code.