@java.lang.Override
  public int getEphemeralDirectoriesCount() {
    return ephemeralDirectories_.size();
  }
<pre>
Optional. Ephemeral directories which won't persist across workstation
sessions.
</pre>

<code>
repeated .google.cloud.workstations.v1beta.WorkstationConfig.EphemeralDirectory ephemeral_directories = 22 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationConfig.java