public Builder clearGroup() {
      group_ = getDefaultInstance().getGroup();
      bitField0_ = (bitField0_ & ~0x00002000);
      onChanged();
      return this;
    }
<pre>
Output only. The group this migrating vm is included in, if any. The group
is represented by the full path of the appropriate
[Group][google.cloud.vmmigration.v1.Group] resource.
</pre>

<code>
string group = 15 [(.google.api.field_behavior) = OUTPUT_ONLY, (.google.api.resource_reference) = { ... }
</code>

@return This builder for chaining.
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/MigratingVm.java