endpoint LanguageClient
{
    auto_complete_suggestions(Vector<GUI::AutocompleteProvider::Entry> suggestions) =|
    declaration_location(GUI::AutocompleteProvider::ProjectLocation location) =|
    declarations_in_document(String filename, Vector<GUI::AutocompleteProvider::Declaration> declarations) =|
    todo_entries_in_document(String filename, Vector<Cpp::Parser::TodoEntry> todo_entries) =|
    parameters_hint_result(Vector<String> params, int current_index) =|
}