code: public void parseSequenceFlowConditionExpression(Element seqFlowElement, TransitionImpl seqFlow) {
      Element conditionExprElement = seqFlowElement.element(CONDITION_EXPRESSION);
      if (conditionExprElement != null) {
        Condition condition = parseConditionExpression(conditionExprElement);
        seqFlow.setProperty(PROPERTYNAME_CONDITION_TEXT, conditionExprElement.getText().trim());
        seqFlow.setProperty(PROPERTYNAME_CONDITION, condition);
      }
    }
docs: Parses a condition expression on a sequence flow.
  
  @param seqFlowElement
  The 'sequenceFlow' element that can contain a condition.
  @param seqFlow
  The sequenceFlow object representation to which the condition must
  be added.