// trailing UTF-8-encoded code points contained in cutset.
func Trim(s []byte, cutset string) []byte {
	if len(s) == 0 {
		// This is what we've historically done.
		return nil
	}
	if cutset == "" {
		return s
	}
	if len(cutset) == 1 && cutset[0] < utf8.RuneSelf {
		return trimLeftByte(trimRightByte(s, cutset[0]), cutset[0])
	}
	if as, ok := makeASCIISet(cutset); ok {

     */
    @Test
    void testExpandNFold() {
        // Test basic functionality
        byte[] data = { 1, 2, 3 };
        int outlen = 5;
        byte[] expanded = PacMac.expandNFold(data, outlen);
        assertNotNull(expanded);
        assertEquals(outlen, expanded.length);

        // Test vectors from RFC 3961 Appendix A.1
        // 64-fold("012345")
        verifyNfold("012345", 8,

     *
     * @param data the input data to expand
     * @param outlen the desired output length in bytes
     * @return the n-folded data of the specified length
     */
    public static byte[] expandNFold(byte[] data, int outlen) {
        int lcm = lcm(outlen, data.length);
        byte[] buf = new byte[outlen];
        int carry = 0;
        for (int i = lcm - 1; i >= 0; i--) {

Ashutosh Hathidara, autoih, Ayushman Kumar, ayushmankumar7, Bairen Yi, Bas
Aarts, Bastian Eichenberger, Ben Barsdell, bhack, Bharat Raghunathan, Biagio
Montaruli, Bigcat-Himax, blueyi, Bryan Cutler, Byambaa, Carlos
Hernandez-Vaquero, Chen Lei, Chris Knorowski, Christian Clauss, chuanqiw,
CuiYifeng, Daniel Situnayake, Daria Zhuravleva, Dayananda-V, Deven Desai, Devi

* 📝 Fix typos in virtual environments documentation. PR [#13396](https://github.com/fastapi/fastapi/pull/13396) by [@bullet-ant](https://github.com/bullet-ant).
* 🐛 Fix issue with Swagger theme change example in the official tutorial. PR [#13289](https://github.com/fastapi/fastapi/pull/13289) by [@Zerohertz](https://github.com/Zerohertz).