public Builder setWorkstations(
        int index, com.google.cloud.workstations.v1beta.Workstation value) {
      if (workstationsBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        ensureWorkstationsIsMutable();
        workstations_.set(index, value);
        onChanged();
      } else {
        workstationsBuilder_.setMessage(index, value);
      }
      return this;
    }
<pre>
The requested workstations.
</pre>

<code>repeated .google.cloud.workstations.v1beta.Workstation workstations = 1;</code>
java-workstations/proto-google-cloud-workstations-v1beta/src/main/java/com/google/cloud/workstations/v1beta/ListUsableWorkstationsResponse.java