{"ast_node_type":"function","tokens":[{"end":46,"kind":"keyword","start":0,"text":"pub"}]}
    pub fn from_tcx(tcx: TyCtxt<'_>) -> Self {
impl CodegenLintLevels {
        Self { linker_messages: tcx.lint_level_at_node(LINKER_MESSAGES, CRATE_HIR_ID) }