private com.google.protobuf.SingleFieldBuilderV3<
              com.google.protobuf.Duration,
              com.google.protobuf.Duration.Builder,
              com.google.protobuf.DurationOrBuilder>
          getEndOffsetFieldBuilder() {
        if (endOffsetBuilder_ == null) {
          endOffsetBuilder_ =
              new com.google.protobuf.SingleFieldBuilderV3<
                  com.google.protobuf.Duration,
                  com.google.protobuf.Duration.Builder,
                  com.google.protobuf.DurationOrBuilder>(
                  getEndOffset(), getParentForChildren(), isClean());
          endOffset_ = null;
        }
        return endOffsetBuilder_;
      }
<pre>
End time offset of the partition.
</pre>

<code>.google.protobuf.Duration end_offset = 2;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/Partition.java