static CloseWebSocketFrame ofPooledClose(ByteBuf data) {
        requireNonNull(data, "data");
        return new CloseByteBufWebSocketFrame(data, true);
    }
(Advanced users only) Returns a new {@link CloseWebSocketFrame} with the {@link ByteBuf}.

@see #ofClose(byte[])
@see PooledObjects
core/src/main/java/com/linecorp/armeria/common/websocket/WebSocketFrame.java