{"ast_node_type":"variable","tokens":[{"end":89,"kind":"keyword","start":0,"text":"let"}]}
        let bitmap_bits = self.const_u32(function_coverage_info.mcdc_bitmap_bits as u32);
        let hash = self.const_u64(function_coverage_info.function_source_hash);
        self.mcdc_parameters(fn_name, hash, bitmap_bits);