public Builder clearCompressedSizeBytes() {
          bitField0_ = (bitField0_ & ~0x00000008);
          compressedSizeBytes_ = 0L;
          onChanged();
          return this;
        }
<pre>
The number of compressed bytes sent or received. If missing, the
compressed size is assumed to be the same size as the uncompressed
size.
</pre>

<code>int64 compressed_size_bytes = 4;</code>

@return This builder for chaining.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java