public Builder mergeDeployment(com.google.cloud.telcoautomation.v1.Deployment value) {
      if (deploymentBuilder_ == null) {
        if (((bitField0_ & 0x00000001) != 0)
            && deployment_ != null
            && deployment_ != com.google.cloud.telcoautomation.v1.Deployment.getDefaultInstance()) {
          getDeploymentBuilder().mergeFrom(value);
        } else {
          deployment_ = value;
        }
      } else {
        deploymentBuilder_.mergeFrom(value);
      }
      if (deployment_ != null) {
        bitField0_ |= 0x00000001;
        onChanged();
      }
      return this;
    }
<pre>
Required. The `deployment` to update.
</pre>

<code>
.google.cloud.telcoautomation.v1.Deployment deployment = 1 [(.google.api.field_behavior) = REQUIRED];
</code>
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/UpdateDeploymentRequest.java