@java.lang.Override
  public int getSerializedSize() {
    int size = memoizedSize;
    if (size != -1) return size;

    size = 0;
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(name_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(1, name_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(revisionId_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(2, revisionId_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(sourceBlueprint_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(3, sourceBlueprint_);
    }
    if (((bitField0_ & 0x00000001) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(5, getRevisionCreateTime());
    }
    if (approvalState_
        != com.google.cloud.telcoautomation.v1.Blueprint.ApprovalState.APPROVAL_STATE_UNSPECIFIED
            .getNumber()) {
      size += com.google.protobuf.CodedOutputStream.computeEnumSize(6, approvalState_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(displayName_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(7, displayName_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(repository_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(8, repository_);
    }
    for (int i = 0; i < files_.size(); i++) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(9, files_.get(i));
    }
    for (java.util.Map.Entry<java.lang.String, java.lang.String> entry :
        internalGetLabels().getMap().entrySet()) {
      com.google.protobuf.MapEntry<java.lang.String, java.lang.String> labels__ =
          LabelsDefaultEntryHolder.defaultEntry
              .newBuilderForType()
              .setKey(entry.getKey())
              .setValue(entry.getValue())
              .build();
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(10, labels__);
    }
    if (((bitField0_ & 0x00000002) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(11, getCreateTime());
    }
    if (((bitField0_ & 0x00000004) != 0)) {
      size += com.google.protobuf.CodedOutputStream.computeMessageSize(12, getUpdateTime());
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(sourceProvider_)) {
      size += com.google.protobuf.GeneratedMessageV3.computeStringSize(13, sourceProvider_);
    }
    if (deploymentLevel_
        != com.google.cloud.telcoautomation.v1.DeploymentLevel.DEPLOYMENT_LEVEL_UNSPECIFIED
            .getNumber()) {
      size += com.google.protobuf.CodedOutputStream.computeEnumSize(14, deploymentLevel_);
    }
    if (rollbackSupport_ != false) {
      size += com.google.protobuf.CodedOutputStream.computeBoolSize(15, rollbackSupport_);
    }
    size += getUnknownFields().getSerializedSize();
    memoizedSize = size;
    return size;
  }
<pre>
Output only. Indicates if the deployment created from this blueprint can be
rolled back.
</pre>

<code>bool rollback_support = 15 [(.google.api.field_behavior) = OUTPUT_ONLY];</code>

@return The rollbackSupport.
java-telcoautomation/proto-google-cloud-telcoautomation-v1/src/main/java/com/google/cloud/telcoautomation/v1/Blueprint.java