driver-core/src/main/com/mongodb/internal/authentication/SaslPrep.java
private static boolean changeDisplayProperties(final int codepoint) {
        return codepoint == 0x0340
                || codepoint == 0x0341
                || codepoint == 0x200E
                || codepoint == 0x200F
                || codepoint == 0x202A
                || codepoint == 0x202B
                || codepoint == 0x202C
                || codepoint == 0x202D
                || codepoint == 0x202E
                || codepoint == 0x206A
                || codepoint == 0x206B
                || codepoint == 0x206C
                || codepoint == 0x206D
                || codepoint == 0x206E
                || codepoint == 0x206F;
    }
private static boolean changeDisplayProperties(final int codepoint) {
        return codepoint == 0x0340
                || codepoint == 0x0341
                || codepoint == 0x200E
                || codepoint == 0x200F
                || codepoint == 0x202A
                || codepoint == 0x202B
                || codepoint == 0x202C
                || codepoint == 0x202D
                || codepoint == 0x202E
                || codepoint == 0x206A
                || codepoint == 0x206B
                || codepoint == 0x206C
                || codepoint == 0x206D
                || codepoint == 0x206E
                || codepoint == 0x206F;
    }
Return true if the given {@code codepoint} is change display properties or deprecated characters as defined by
<a href="https://tools.ietf.org/html/rfc3454#appendix-C.8">RFC 3454, Appendix C.8</a>.