Function ty_to_text_edit 

fn ty_to_text_edit(
    sema: &Semantics<'_, RootDatabase>,
    config: &InlayHintsConfig<'_>,
    node_for_hint: &SyntaxNode,
    ty: &Type<'_>,
    offset_to_insert_ty: TextSize,
    additional_edits: &dyn Fn(&mut TextEditBuilder),
    prefix: impl Into<String>,
) -> Option<LazyProperty<TextEdit>>