private void ensureNonStorageIntelligenceEntitledProjectNumbersIsMutable() {
        if (!nonStorageIntelligenceEntitledProjectNumbers_.isModifiable()) {
          nonStorageIntelligenceEntitledProjectNumbers_ =
              makeMutableCopy(nonStorageIntelligenceEntitledProjectNumbers_);
        }
        bitField0_ |= 0x00000040;
      }
<pre>
Optional. Count of projects that are not subscribed to Storage
Intelligence.
</pre>

<code>
optional int64 non_storage_intelligence_entitled_error_count = 9 [(.google.api.field_behavior) = OPTIONAL];
</code>

@return This builder for chaining.
java-storageinsights/proto-google-cloud-storageinsights-v1/src/main/java/com/google/cloud/storageinsights/v1/DatasetConfig.java