@java.lang.Override
      public Builder clear() {
        super.clear();
        bitField0_ = 0;
        if (gcePdBuilder_ != null) {
          gcePdBuilder_.clear();
        }
        mountPath_ = "";
        directoryTypeCase_ = 0;
        directoryType_ = null;
        return this;
      }
<pre>
A directory to persist across workstation sessions.
</pre>

Protobuf type {@code google.cloud.workstations.v1.WorkstationConfig.PersistentDirectory}
java-workstations/proto-google-cloud-workstations-v1/src/main/java/com/google/cloud/workstations/v1/WorkstationConfig.java