public SELF sensitiveHeaders(Iterable<? extends CharSequence> headers) {
        requireNonNull(headers, "headers");
        if (sensitiveHeaders == null) {
            sensitiveHeaders = new HashSet<>();
        }
        headers.forEach(header -> sensitiveHeaders.add(AsciiString.of(header).toLowerCase()));
        return self();
    }
Adds the headers to mask before logging.
core/src/main/java/com/linecorp/armeria/common/logging/AbstractHeadersSanitizerBuilder.java