Function framework_builtin_response 

pub fn framework_builtin_response(
    method: &str,
    target: &str,
    app: Option<&AppRuntime>,
    stack: Option<&RuntimeStack>,
    version: &str,
    target_id: &str,
    app_ready: impl Fn(&AppRuntime) -> bool,
    stack_ready: impl Fn(&RuntimeStack) -> bool,
) -> Option<FrameworkBuiltinResponse>

Builds the response for a framework-owned runtime route.