code: public void marshall(ColumnInfo columnInfo, ProtocolMarshaller protocolMarshaller) {
  
          if (columnInfo == null) {
              throw new SdkClientException("Invalid argument passed to marshall(...)");
          }
  
          try {
              protocolMarshaller.marshall(columnInfo.getCatalogName(), CATALOGNAME_BINDING);
              protocolMarshaller.marshall(columnInfo.getSchemaName(), SCHEMANAME_BINDING);
              protocolMarshaller.marshall(columnInfo.getTableName(), TABLENAME_BINDING);
              protocolMarshaller.marshall(columnInfo.getName(), NAME_BINDING);
              protocolMarshaller.marshall(columnInfo.getLabel(), LABEL_BINDING);
              protocolMarshaller.marshall(columnInfo.getType(), TYPE_BINDING);
              protocolMarshaller.marshall(columnInfo.getPrecision(), PRECISION_BINDING);
              protocolMarshaller.marshall(columnInfo.getScale(), SCALE_BINDING);
              protocolMarshaller.marshall(columnInfo.getNullable(), NULLABLE_BINDING);
              protocolMarshaller.marshall(columnInfo.getCaseSensitive(), CASESENSITIVE_BINDING);
          } catch (Exception e) {
              throw new SdkClientException("Unable to marshall request to JSON: " + e.getMessage(), e);
          }
      }
docs: Marshall the given parameter object.