switch y := y.(type) {
		case unknownVal:
			return y
		case int64Val:
			if z := -y; z != y {
				return z // no overflow
			}
			return makeInt(newInt().Neg(big.NewInt(int64(y))))
		case intVal:
			return makeInt(newInt().Neg(y.val))
		case ratVal:
			return makeRat(newRat().Neg(y.val))
		case floatVal:
			return makeFloat(newFloat().Neg(y.val))
		case complexVal:
			re := UnaryOp(token.SUB, y.re, 0)

	)

	type (
		makeReg struct {
			size    int64
			wantStr string
		}
		makeSparse struct {
			makeReg makeReg
			sph     sparseHoles
			size    int64
		}
		fileMaker any // makeReg | makeSparse
	)

	vectors := []struct {
		maker fileMaker
		tests []testFnc
	}{{
		maker: makeReg{0, ""},
		tests: []testFnc{
			testRemaining{0, 0},

	)

	type (
		makeReg struct {
			str  string
			size int64
		}
		makeSparse struct {
			makeReg makeReg
			spd     sparseDatas
			size    int64
		}
		fileMaker any // makeReg | makeSparse
	)

	vectors := []struct {
		maker fileMaker
		tests []testFnc
	}{{
		maker: makeReg{"", 0},
		tests: []testFnc{
			testRemaining{0, 0},

        }

        byte[] mac = PacMac.calculateMacArcfourHMACMD5(usage, makeKey(keybytes, 23), bytes);
        checkBytes(javaChecksum, mac);
        checkBytes(Hex.decode(expect), mac);
    }


    /**
     * @param keybytes
     * @return
     */
    private static KerberosKey makeKey ( byte[] keybytes, int etype ) {
        return new KerberosKey(null, keybytes, etype, 0);
    }

                        parameters.inputFiles.from(configurations.transform.incoming.artifactView { attributes.attribute(color, 'red') }.files)
                    }
                    registerTransform(MakeRed) {
                        from.attribute(color, 'blue')
                        to.attribute(color, 'red')
                    }
                }
            }

        settingsFile << """
                include 'a', 'b', 'c', 'd', 'e'
            """
        setupBuildWithTransformFileInputs()
        buildFile << """
            abstract class MakeRed implements TransformAction<TransformParameters.None> {
                @InputArtifact
                abstract Provider<FileSystemLocation> getInputArtifact()

                void transform(TransformOutputs outputs) {

    function makeRect(cl, x, y, w, h) {
      const r = document.createElement('div');
      r.style.left = x+'px';
      r.style.top = y+'px';
      r.style.width = w+'px';
      r.style.height = h+'px';
      r.classList.add(cl);
      return r;
    }

    // Background
    const w = box.width - 1; // Leave 1px gap
    const r = makeRect('boxbg', box.x, box.y, w, ROW);

			for i := range data {
				data[i] = byte(rand.Intn(256))
			}
		}
	}
	b.StartTimer()
	b.SetBytes(int64(len(data)))
	for i := 0; i < b.N; i++ {
		New(data)
	}
}

func makeText(name string) ([]byte, error) {
	var data []byte
	switch name {
	case "opticks":
		var err error
		data, err = os.ReadFile("../../testdata/Isaac.Newton-Opticks.txt")
		if err != nil {
			return nil, err

			}
		}
		x = append(x, v)
		s = s[i+1:]
	}
	if len(x)%2 != 0 {
		ok = false
		return
	}
	ok = true
	matched = true
	pos = x
	return
}

var text []byte

func makeText(n int) []byte {
	if len(text) >= n {
		return text[:n]
	}
	text = make([]byte, n)
	x := ^uint32(0)
	for i := range text {
		x += x
		x ^= 1
		if int32(x) < 0 {
			x ^= 0x88888eef
		}

    }


    /**
     * @return the number of known usages
     */
    protected long getUsageCount () {
        return this.usageCount.get();
    }


    protected abstract long makeKey ( Request request ) throws IOException;


    protected abstract Long peekKey () throws IOException;


    protected abstract void doSend ( Request request ) throws IOException;