public org.apache.hive.kafka.Wikipedia.Builder setDiffurl(java.lang.String value) {
      validate(fields()[6], value);
      this.diffurl = value;
      fieldSetFlags()[6] = true;
      return this;
    }
Sets the value of the 'diffurl' field.
@param value The value of 'diffurl'.
@return This builder.
itests/qtest-druid/src/main/java/org/apache/hive/kafka/Wikipedia.java