docs: public SearchExpression withSubExpressions(SearchExpression... subExpressions) {
          if (this.subExpressions == null) {
              setSubExpressions(new java.util.ArrayList<SearchExpression>(subExpressions.length));
          }
          for (SearchExpression ele : subExpressions) {
              this.subExpressions.add(ele);
          }
          return this;
      }