public Builder setDescriptionBytes(com.google.protobuf.ByteString value) {
      if (value == null) {
        throw new NullPointerException();
      }
      checkByteStringIsUtf8(value);
      description_ = value;
      bitField0_ |= 0x00200000;
      onChanged();
      return this;
    }
<pre>
Optional. A user-provided description for the dataset configuration.

Maximum length: 256 characters.
</pre>

<code>string description = 20 [(.google.api.field_behavior) = OPTIONAL];</code>

@param value The bytes for description to set.
@return This builder for chaining.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java