polish
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@@ -42,6 +42,7 @@ import org.springframework.context.support.ReloadableResourceBundleMessageSource
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import org.springframework.core.JdkVersion;
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import org.springframework.core.io.Resource;
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import org.springframework.core.style.ToStringCreator;
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import org.springframework.util.Assert;
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import org.springframework.util.ClassUtils;
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import org.springframework.util.StringUtils;
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import org.springframework.web.context.WebApplicationContext;
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@@ -132,6 +133,7 @@ public class FlowModelFlowBuilder extends AbstractFlowBuilder {
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* @param flowModelHolder the flow model holder
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*/
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public FlowModelFlowBuilder(FlowModelHolder flowModelHolder) {
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Assert.notNull(flowModelHolder, "The FlowModelHolder is required");
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this.flowModelHolder = flowModelHolder;
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}
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