code: public LoggingConfiguration withRedactedFields(FieldToMatch... redactedFields) {
          if (this.redactedFields == null) {
              setRedactedFields(new java.util.ArrayList<FieldToMatch>(redactedFields.length));
          }
          for (FieldToMatch ele : redactedFields) {
              this.redactedFields.add(ele);
          }
          return this;
      }
docs: <p>
  The parts of the request that you want redacted from the logs. For example, if you redact the cookie field, the
  cookie field in the firehose will be <code>xxx</code>.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRedactedFields(java.util.Collection)} or {@link #withRedactedFields(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param redactedFields
  The parts of the request that you want redacted from the logs. For example, if you redact the cookie
  field, the cookie field in the firehose will be <code>xxx</code>.
  @return Returns a reference to this object so that method calls can be chained together.