docs: private String getSetterGuidanceDoc() {
          StringBuilder docBuilder = new StringBuilder();
  
          if (isJsonValue()) {
              docBuilder.append("<p>")
                        .append(LINE_SEPARATOR)
                        .append("This field's value must be valid JSON according to RFC 7159, including the opening and closing ")
                        .append("braces. For example: '{\"key\": \"value\"}'.")
                        .append(LINE_SEPARATOR)
                        .append("</p>")
                        .append(LINE_SEPARATOR);
          }
  
          boolean isByteBuffer = "java.nio.ByteBuffer".equals(this.getGetterModel().getReturnType());
  
          if (isByteBuffer || isJsonValue()) {
              docBuilder.append("<p>")
                        .append(LINE_SEPARATOR)
                        .append("The AWS SDK for Java performs a Base64 encoding on this field before sending this request to the ")
                        .append("AWS service. Users of the SDK should not perform Base64 encoding on this field.")
                        .append(LINE_SEPARATOR)
                        .append("</p>")
                        .append(LINE_SEPARATOR);
          }
  
          if (isByteBuffer) {
              docBuilder.append("<p>")
                      .append(LINE_SEPARATOR)
                      .append("Warning: ByteBuffers returned by the SDK are mutable. " +
                              "Changes to the content or position of the byte buffer will be " +
                              "seen by all objects that have a reference to this object. " +
                              "It is recommended to call ByteBuffer.duplicate() or " +
                              "ByteBuffer.asReadOnlyBuffer() before using or reading from the buffer. " +
                              "This behavior will be changed in a future major version of the SDK.")
                      .append(LINE_SEPARATOR)
                      .append("</p>")
                      .append(LINE_SEPARATOR);
          }
  
          return docBuilder.toString();
      }