docs: public DescribeExpressionsResult withExpressions(ExpressionStatus... expressions) {
          if (this.expressions == null) {
              setExpressions(new com.amazonaws.internal.SdkInternalList<ExpressionStatus>(expressions.length));
          }
          for (ExpressionStatus ele : expressions) {
              this.expressions.add(ele);
          }
          return this;
      }