extension/storage/storage-custom/src/main/java/com/alibaba/smart/framework/engine/persister/util/InstanceSerializer.java [121:137]:
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        List<ExecutionInstance> executionInstances1 = new ArrayList<ExecutionInstance>(activityInstances.size());
        for (ActivityInstance activityInstance : activityInstances) {

            List<ExecutionInstance> executionInstances =    activityInstance.getExecutionInstanceList();
            for (ExecutionInstance executionInstance : executionInstances) {
                executionInstances1.add(executionInstance);

            }

        }

        return executionInstances1;

    }

    private static void buildActivityInstanceAndExecutionInstance(StringTokenizer st, ProcessInstance processInstance) {
        while (st.hasMoreTokens()) {
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extension/storage/storage-custom/src/main/java/com/alibaba/smart/framework/engine/persister/util/InstanceSerializerV1.java [130:144]:
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        List<ExecutionInstance> executionInstances1 = new ArrayList<ExecutionInstance>(activityInstances.size());
        for (ActivityInstance activityInstance : activityInstances) {
            List<ExecutionInstance> executionInstances =    activityInstance.getExecutionInstanceList();
            for (ExecutionInstance executionInstance : executionInstances) {
                executionInstances1.add(executionInstance);

            }
        }

        return executionInstances1;

    }

    private static void buildActivityInstanceAndExecutionInstance(StringTokenizer st, ProcessInstance processInstance) {
        while (st.hasMoreTokens()) {
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