@Deprecated
    public String getCaseExpression() {
        return caseExpression;
    }
@return A javascript expression for decision cases. The result should be a scalar value that
    is used to decide the case branches.
@see #getDecisionCases()
@deprecated Use {@link WorkflowTask#getEvaluatorType()} and {@link
    WorkflowTask#getExpression()} combination.
common/src/main/java/com/netflix/conductor/common/metadata/workflow/WorkflowTask.java