{"ast_node_type":"other","tokens":[{"end":48,"kind":"keyword","start":0,"text":"#[tracing::instrument(level"}]}
    #[tracing::instrument(level = "debug", ret)]
    /// (i.e., it is _potentially_ a const parameter).
    pub fn is_potential_trivial_const_arg(&self, allow_mgca_arg: bool) -> bool {