/** * <code>optional .openxc.CanMessage can_message = 2;</code> */ private com.google.protobuf.SingleFieldBuilderV3< com.openxc.BinaryMessages.CanMessage, com.openxc.BinaryMessages.CanMessage.Builder, com.openxc.BinaryMessages.CanMessageOrBuilder> getCanMessageFieldBuilder() { if (canMessageBuilder_ == null) { canMessageBuilder_ = new com.google.protobuf.SingleFieldBuilderV3< com.openxc.BinaryMessages.CanMessage, com.openxc.BinaryMessages.CanMessage.Builder, com.openxc.BinaryMessages.CanMessageOrBuilder>( getCanMessage(), getParentForChildren(), isClean()); canMessage_ = null; } return canMessageBuilder_; }