@java.lang.Override
      public int hashCode() {
        if (memoizedHashCode != 0) {
          return memoizedHashCode;
        }
        int hash = 41;
        hash = (19 * hash) + getDescriptor().hashCode();
        hash = (37 * hash) + TYPE_FIELD_NUMBER;
        hash = (53 * hash) + type_;
        hash = (37 * hash) + ID_FIELD_NUMBER;
        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getId());
        hash = (37 * hash) + UNCOMPRESSED_SIZE_BYTES_FIELD_NUMBER;
        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getUncompressedSizeBytes());
        hash = (37 * hash) + COMPRESSED_SIZE_BYTES_FIELD_NUMBER;
        hash = (53 * hash) + com.google.protobuf.Internal.hashLong(getCompressedSizeBytes());
        hash = (29 * hash) + getUnknownFields().hashCode();
        memoizedHashCode = hash;
        return hash;
      }
<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 The compressedSizeBytes.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java