//         }
//     }
//
//     Fingerprint [8]byte
//
// uvarint means a uint64 written out using uvarint encoding.
//
// []T means a uvarint followed by that many T objects. In other
// words:
//
//     Len   uvarint
//     Elems [Len]T
//
// stringOff means a uvarint that indicates an offset within the
// Strings section. At that offset is another uvarint, followed by
// that many bytes, which form the string value.
//

}

// AppendVarint appends the varint-encoded form of x,
// as generated by [PutVarint], to buf and returns the extended buffer.
func AppendVarint(buf []byte, x int64) []byte {
	ux := uint64(x) << 1
	if x < 0 {
		ux = ^ux
	}
	return AppendUvarint(buf, ux)
}

// PutVarint encodes an int64 into buf and returns the number of bytes written.
// If the buffer is too small, PutVarint will panic.

	}
	n := 1

	// Read timestamp diff.
	ts, nb := binary.Uvarint(b[n:])
	if nb <= 0 {
		return 0, 0, fmt.Errorf("found invalid uvarint for timestamp")
	}
	n += nb

	// Read the rest of the arguments.
	for i := 0; i < len(spec.Args)-1; i++ {
		arg, nb := binary.Uvarint(b[n:])
		if nb <= 0 {
			return 0, 0, fmt.Errorf("found invalid uvarint")
		}
		e.args[i] = arg
		n += nb
	}
	return n, timestamp(ts), nil

func writeInt(w io.Writer, buf []byte, x int) error {
	binary.PutVarint(buf, int64(x))
	_, err := w.Write(buf[0:binary.MaxVarintLen64])
	return err
}

// readInt reads an int x from r using buf to buffer the read and returns x.
func readInt(r io.Reader, buf []byte) (int64, error) {
	_, err := io.ReadFull(r, buf[0:binary.MaxVarintLen64]) // ok to continue with error
	x, _ := binary.Varint(buf)
	return x, err
}

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * Declares that a property represents a variant dimension. Variants are used in dependency
 * resolution to discriminate between various binaries that may match the requirements (such
 * as a platform, a build type, ...).
 *

  compileTestVariantSwift -> linkTestVariant -> installTestVariant -> xcTestVariant [dir=back, style=dashed]
  compileTestVariantSwift[label=<compile<i>Variant</i>Swift>]
  linkTestVariant[label=<link<i>Variant</i>>]
  installTestVariant[label=<installTest<i>Variant</i>>]
  xcTestVariant[label=<xcTest<i>Variant</i>>]

  rankdir=LR

  compileVariantCpp -> linkVariant -> installVariant -> assembleVariant [dir=back, style=dashed]
  compileVariantCpp[label=<compile<i>Variant</i>Cpp>]
  linkVariant[label=<link<i>Variant</i>>]
  installVariant[label=<install<i>Variant</i>>]
  assembleVariant[label=<assemble<i>Variant</i>>]

  rankdir=LR

  compileVariantSwift -> linkVariant -> installVariant -> assembleVariant [dir=back, style=dashed]
  compileVariantSwift[label=<compile<i>Variant</i>Swift>]
  linkVariant[label=<link<i>Variant</i>>]
  installVariant[label=<install<i>Variant</i>>]
  assembleVariant[label=<assemble<i>Variant</i>>]

xctest-variant-task-graph.png...

  rankdir=LR

  compileVariantSwift -> {linkVariant, createVariant} -> assembleVariant [dir=back, style=dashed]
  compileVariantSwift[label=<compile<i>Variant</i>Swift>]
  linkVariant[label=<link<i>Variant</i>>]
  createVariant[label=<create<i>Variant</i>>]
  assembleVariant[label=<assemble<i>Variant</i>>]

  // Adds linkage text between link* and create*
  linkVariant -> linkageText -> createVariant [style=invis]