{"ast_node_type":"function","tokens":[{"end":96,"kind":"keyword","start":0,"text":"pub(crate)"}]}
pub(crate) fn expand_macro(db: &RootDatabase, position: FilePosition) -> Option<ExpandedMacro> {
// ![Expand Macro Recursively](https://user-images.githubusercontent.com/48062697/113020648-b3973180-917a-11eb-84a9-ecb921293dc5.gif)
    let sema = Semantics::new(db);