for _, x := range a {
		x.Uses++
	}
}
func (v *Value) SetArg(i int, w *Value) {
	v.Args[i].Uses--
	v.Args[i] = w
	w.Uses++
}
func (v *Value) SetArgs1(a *Value) {
	v.resetArgs()
	v.AddArg(a)
}
func (v *Value) SetArgs2(a, b *Value) {
	v.resetArgs()
	v.AddArg(a)
	v.AddArg(b)
}
func (v *Value) SetArgs3(a, b, c *Value) {
	v.resetArgs()
	v.AddArg(a)
	v.AddArg(b)
	v.AddArg(c)

	KindFloat64Histogram
)

// Value represents a metric value returned by the runtime.
type Value struct {
	kind    ValueKind
	scalar  uint64         // contains scalar values for scalar Kinds.
	pointer unsafe.Pointer // contains non-scalar values.
}

// Kind returns the tag representing the kind of value this is.
func (v Value) Kind() ValueKind {
	return v.kind
}

    checkNotNull(value2);
    checkArgument(!Objects.equal(value1, value2), "Duplicate value provided.");
    distinctValues.replaceValues(type, ImmutableList.of(value1, value2));
    setDefault(type, value1);
    return this;
  }

  /**
   * Tests that {@code cls} properly checks null on all constructor and method parameters that
   * aren't annotated nullable (according to the rules of {@link NullPointerTester}). In details:
   *

//go:generate stringer -type Kind

// Kind specifies the kind of value represented by a [Value].
type Kind int

const (
	// unknown values
	Unknown Kind = iota

	// non-numeric values
	Bool
	String

	// numeric values
	Int
	Float
	Complex
)

// A Value represents the value of a Go constant.
type Value interface {
	// Kind returns the value kind.
	Kind() Kind

	return k.setStringValue(name, SZ, value)
}

// SetExpandStringValue sets the data and type of a name value
// under key k to value and EXPAND_SZ. The value must not contain a zero byte.
func (k Key) SetExpandStringValue(name, value string) error {
	return k.setStringValue(name, EXPAND_SZ, value)
}

// SetStringsValue sets the data and type of a name value

package trace

import "fmt"

// Value is a dynamically-typed value obtained from a trace.
type Value struct {
	kind   ValueKind
	scalar uint64
}

// ValueKind is the type of a dynamically-typed value from a trace.
type ValueKind uint8

const (
	ValueBad ValueKind = iota
	ValueUint64
)

// Kind returns the ValueKind of the value.
//
// It represents the underlying structure of the value.

func (v Value) CanAddr() bool {
	return v.flag&flagAddr != 0
}

// CanSet reports whether the value of v can be changed.
// A [Value] can be changed only if it is addressable and was not
// obtained by the use of unexported struct fields.
// If CanSet returns false, calling [Value.Set] or any type-specific
// setter (e.g., [Value.SetBool], [Value.SetInt]) will panic.
func (v Value) CanSet() bool {

        Property<String> testProvider = new DefaultProperty<>(Mock(PropertyHost), String).convention("lazy value")
        container.attributeProvider(testAttr, testProvider)

        when: "adding a set value testAttr"
        container.attribute(testAttr, "set value")

        then: "the set value should be retrievable"
        "set value" == container.getAttribute(testAttr)
    }

  using const_iterator = TU::const_iterator;
  TU values_;

 public:
  TU::iterator begin() { return values_.begin(); }
  TU::iterator end() { return values_.end(); }
  TU::const_iterator begin() const { return values_.begin(); }
  TU::const_iterator end() const { return values_.end(); }
  const TU::value_type& operator[](size_t i) const { return values_[i]; }
  TU::value_type& operator[](size_t i) { return values_[i]; }

// Using == on two Values does not compare the underlying values
// they represent.
type Value struct {
	// typ_ holds the type of the value represented by a Value.
	// Access using the typ method to avoid escape of v.
	typ_ *abi.Type

	// Pointer-valued data or, if flagIndir is set, pointer to data.
	// Valid when either flagIndir is set or typ.pointers() is true.
	ptr unsafe.Pointer

	// flag holds metadata about the value.