public Builder mergeFrom(
          com.google.cloud.workstations.v1beta.WorkstationConfig.PersistentDirectory other) {
        if (other
            == com.google.cloud.workstations.v1beta.WorkstationConfig.PersistentDirectory
                .getDefaultInstance()) return this;
        if (!other.getMountPath().isEmpty()) {
          mountPath_ = other.mountPath_;
          bitField0_ |= 0x00000002;
          onChanged();
        }
        switch (other.getDirectoryTypeCase()) {
          case GCE_PD:
            {
              mergeGcePd(other.getGcePd());
              break;
            }
          case DIRECTORYTYPE_NOT_SET:
            {
              break;
            }
        }
        this.mergeUnknownFields(other.getUnknownFields());
        onChanged();
        return this;
      }
<pre>
A directory to persist across workstation sessions.
</pre>

Protobuf type {@code google.cloud.workstations.v1beta.WorkstationConfig.PersistentDirectory}
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/WorkstationConfig.java