public WorkflowQuery(int field, int type, int operator, Object value) { this.type = type;
public WorkflowQuery(WorkflowQuery left, int operator, WorkflowQuery right) {
    public WorkflowQuery(int field, int type, int operator, Object value) {        this.type = type;        this.operator = operator;        this.field = field;        this.value = value;    }