nvim-treesitter/runtime/queries/tablegen/indents.scm

[
  (assert)
  (class)
  (multiclass)
  (def)
  (defm)
  (defvar)
  (foreach)
  (if)
  (let) 
  (value_suffix)
] @indent.begin

[
  "}"
  "]"
  ")"
  ">"
] @indent.end

[ "{" "}" ] @indent.branch

[ "[" "]" ] @indent.branch

[ "(" ")" ] @indent.branch

[ "<" ">" ] @indent.branch