@java.lang.Override
      public Builder mergeFrom(
          com.google.protobuf.CodedInputStream input,
          com.google.protobuf.ExtensionRegistryLite extensionRegistry)
          throws java.io.IOException {
        if (extensionRegistry == null) {
          throw new java.lang.NullPointerException();
        }
        try {
          boolean done = false;
          while (!done) {
            int tag = input.readTag();
            switch (tag) {
              case 0:
                done = true;
                break;
              case 10:
                {
                  com.google.cloud.storageinsights.v1.DatasetConfig.CloudStorageBuckets
                          .CloudStorageBucket
                      m =
                          input.readMessage(
                              com.google.cloud.storageinsights.v1.DatasetConfig.CloudStorageBuckets
                                  .CloudStorageBucket.parser(),
                              extensionRegistry);
                  if (cloudStorageBucketsBuilder_ == null) {
                    ensureCloudStorageBucketsIsMutable();
                    cloudStorageBuckets_.add(m);
                  } else {
                    cloudStorageBucketsBuilder_.addMessage(m);
                  }
                  break;
                } // case 10
              default:
                {
                  if (!super.parseUnknownField(input, extensionRegistry, tag)) {
                    done = true; // was an endgroup tag
                  }
                  break;
                } // default:
            } // switch (tag)
          } // while (!done)
        } catch (com.google.protobuf.InvalidProtocolBufferException e) {
          throw e.unwrapIOException();
        } finally {
          onChanged();
        } // finally
        return this;
      }
<pre>
Collection of Cloud Storage buckets.
</pre>

Protobuf type {@code google.cloud.storageinsights.v1.DatasetConfig.CloudStorageBuckets}
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java