@SuppressWarnings("unchecked")
  public D withConfig(String key, String value) {
    config.put(key, value);
    return (D) this;
  }
Add a configuration entry for the table

@param key the key
@param value the value
@return this table descriptor instance
samza-api/src/main/java/org/apache/samza/table/descriptors/BaseTableDescriptor.java