public Builder mergeVmwareVms(com.google.cloud.vmmigration.v1.VmwareVmsDetails value) {
      if (vmwareVmsBuilder_ == null) {
        if (sourceVmsCase_ == 1
            && sourceVms_
                != com.google.cloud.vmmigration.v1.VmwareVmsDetails.getDefaultInstance()) {
          sourceVms_ =
              com.google.cloud.vmmigration.v1.VmwareVmsDetails.newBuilder(
                      (com.google.cloud.vmmigration.v1.VmwareVmsDetails) sourceVms_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          sourceVms_ = value;
        }
        onChanged();
      } else {
        if (sourceVmsCase_ == 1) {
          vmwareVmsBuilder_.mergeFrom(value);
        } else {
          vmwareVmsBuilder_.setMessage(value);
        }
      }
      sourceVmsCase_ = 1;
      return this;
    }
<pre>
The description of the VMs in a Source of type Vmware.
</pre>

<code>.google.cloud.vmmigration.v1.VmwareVmsDetails vmware_vms = 1;</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/FetchInventoryResponse.java