public Builder setRetentionPeriodDays(int value) {

      retentionPeriodDays_ = value;
      bitField0_ |= 0x00010000;
      onChanged();
      return this;
    }
<pre>
Number of days of history that must be retained.
</pre>

<code>int32 retention_period_days = 14;</code>

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