code: public void setColumnInfo(java.util.Collection<ColumnInfo> columnInfo) {
          if (columnInfo == null) {
              this.columnInfo = null;
              return;
          }
  
          this.columnInfo = new java.util.ArrayList<ColumnInfo>(columnInfo);
      }
docs: <p>
  Information about the columns returned in a query result metadata.
  </p>
  
  @param columnInfo
  Information about the columns returned in a query result metadata.