macro_rules! builder_call_markdowns_askama {
    ( $_builder : ident, { $_sources_markdown : literal, template : $_source_template : literal $( , context : $_context_type : ty )? }, $_route : tt ) => { ... };
    ( $_builder : ident, { $_sources_markdown : literal, glob : $_glob : literal, template : $_source_template : literal $( , context : $_context_type : ty )? }, $_route : tt ) => { ... };
}