{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"if"}]}
            if !matches!(level, rustc_session::lint::Level::Allow) {
                rcx.tcx.lint_level_at_node(NON_EXHAUSTIVE_OMITTED_PATTERNS, arm.arm_data);
                let decorator = NonExhaustiveOmittedPatternLintOnArm {