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

[
  (enum_type)
  (struct_type)
  (tuple_type)
  (union_type)
  (block)
  (for_statement)
  (call_expression)
  (case)
  (array_literal)
  (struct_literal)
  (tuple_literal)
] @indent.begin

(if_statement
  ("("
    condition: (_)
    ")") @indent.begin)

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

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

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

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

[
  (ERROR)
  (comment)
  (concatenated_string)
] @indent.auto