code: public ResultSetMetadata withColumnInfo(ColumnInfo... columnInfo) {
          if (this.columnInfo == null) {
              setColumnInfo(new java.util.ArrayList<ColumnInfo>(columnInfo.length));
          }
          for (ColumnInfo ele : columnInfo) {
              this.columnInfo.add(ele);
          }
          return this;
      }
docs: <p>
  Information about the columns returned in a query result metadata.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setColumnInfo(java.util.Collection)} or {@link #withColumnInfo(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param columnInfo
  Information about the columns returned in a query result metadata.
  @return Returns a reference to this object so that method calls can be chained together.