; https://github.com/nvim-treesitter/nvim-treesitter/blob/ce4adf11cfe36fc5b0e5bcdce0c7c6e8fbc9798a/queries/hcl/injections.scm

(heredoc_template
  (template_literal) @injection.content
  (heredoc_identifier) @injection.language
  (#downcase! @injection.language))