578   result.append("window_bits=")  in CompressionOptionsToString()
579       .append(ToString(compression_options.window_bits))  in CompressionOptionsToString()
580       .append("; ");  in CompressionOptionsToString()
581   result.append("level=")  in CompressionOptionsToString()
582       .append(ToString(compression_options.level))  in CompressionOptionsToString()
583       .append("; ");  in CompressionOptionsToString()
584   result.append("strategy=")  in CompressionOptionsToString()
585       .append(ToString(compression_options.strategy))  in CompressionOptionsToString()
586       .append("; ");  in CompressionOptionsToString()
587   result.append("max_dict_bytes=")  in CompressionOptionsToString()
588       .append(ToString(compression_options.max_dict_bytes))  in CompressionOptionsToString()
589       .append("; ");  in CompressionOptionsToString()
590   result.append("zstd_max_train_bytes=")  in CompressionOptionsToString()
591       .append(ToString(compression_options.zstd_max_train_bytes))  in CompressionOptionsToString()
592       .append("; ");  in CompressionOptionsToString()
593   result.append("enabled=")  in CompressionOptionsToString()
594       .append(ToString(compression_options.enabled))  in CompressionOptionsToString()
595       .append("; ");  in CompressionOptionsToString()