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();
    }
Get the documentation that should be shared between the "with" and "set"-style methods that pertains to the type of data in
the message. This usually instructs customers on how to properly format the data that they write to the message based on
its type.
aws-java-sdk-code-generator/src/main/java/com/amazonaws/codegen/model/intermediate/MemberModel.java