@JsonProperty(JSON_RETENTION_TIME_KEY)
  public DatasetBuilder setRetentionTimeInSeconds(Long retentionTimeInSeconds) {
    this.retentionTimeInSeconds = retentionTimeInSeconds;
    return this;
  }
Set the retention time of the {@link Dataset} to build.
@param retentionTimeInSeconds the retention count to set.
@return the builder.
ambry-api/src/main/java/com/github/ambry/account/DatasetBuilder.java