difftastic/vendored_parsers/tree-sitter-hack/test/cases/expressions/darray.exp

(script
  (expression_statement
    (array
      (array_type)))
  (expression_statement
    (array
      (array_type)
      (element_initializer
        (false)
        (null))
      (element_initializer
        (integer)
        (integer)))))