public Builder mergeVmware(com.google.cloud.vmmigration.v1.VmwareSourceDetails value) {
      if (vmwareBuilder_ == null) {
        if (sourceDetailsCase_ == 10
            && sourceDetails_
                != com.google.cloud.vmmigration.v1.VmwareSourceDetails.getDefaultInstance()) {
          sourceDetails_ =
              com.google.cloud.vmmigration.v1.VmwareSourceDetails.newBuilder(
                      (com.google.cloud.vmmigration.v1.VmwareSourceDetails) sourceDetails_)
                  .mergeFrom(value)
                  .buildPartial();
        } else {
          sourceDetails_ = value;
        }
        onChanged();
      } else {
        if (sourceDetailsCase_ == 10) {
          vmwareBuilder_.mergeFrom(value);
        } else {
          vmwareBuilder_.setMessage(value);
        }
      }
      sourceDetailsCase_ = 10;
      return this;
    }
<pre>
Vmware type source details.
</pre>

<code>.google.cloud.vmmigration.v1.VmwareSourceDetails vmware = 10;</code>
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/Source.java