@Nullable
        @Override
        @SuppressWarnings("DataFlowIssue")
        public AsciiString get(AsciiString name) {
            return super.get(name);
        }
Returns {@code true} if the specified header name is not allowed for HTTP trailers.
core/src/main/java/com/linecorp/armeria/internal/common/ArmeriaHttpUtil.java