{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"let"}]}
    let _p = tracing::info_span!("handle_on_type_formatting").entered();
) -> anyhow::Result<Option<Vec<lsp_ext::SnippetTextEdit>>> {
    let char_typed = params.ch.chars().next().unwrap_or('\0');