code: public void setLogGroupFields(java.util.Collection<LogGroupField> logGroupFields) {
          if (logGroupFields == null) {
              this.logGroupFields = null;
              return;
          }
  
          this.logGroupFields = new com.amazonaws.internal.SdkInternalList<LogGroupField>(logGroupFields);
      }
docs: <p>
  The array of fields found in the query. Each object in the array contains the name of the field, along with the
  percentage of time it appeared in the log events that were queried.
  </p>
  
  @param logGroupFields
  The array of fields found in the query. Each object in the array contains the name of the field, along
  with the percentage of time it appeared in the log events that were queried.