{"ast_node_type":"variable","tokens":[{"end":83,"kind":"keyword","start":0,"text":"let"}]}
    let syntax = ast::SourceFile::parse(ra_fixture, span::Edition::CURRENT).tree();
fn check_guess(#[rust_analyzer::rust_fixture] ra_fixture: &str, expected: ImportGranularityGuess) {
    let file = ImportScope { kind: ImportScopeKind::File(syntax), required_cfgs: vec![] };