}

    def "returning null from replace unsets the property"() {
        given:
        property.set(someValue())

        when:
        property.replace { null }

        then:
        !property.isPresent()
    }

    def "returning null from replace unsets the property falling back to convention"() {
        given:

    }

    def "returning null from replace unsets the property"() {
        given:
        property.set(someValue())

        when:
        property.replace { null }

        then:
        !property.isPresent()
    }

    def "returning null from replace unsets the property falling back to convention"() {
        given:

		// | ResourceVersion | AllowWatchBookmarks | SendInitialEvents     |
		// +=================+=====================+=======================+
		// | Unset           | true/false          | nil/true/false        |
		// +-----------------+---------------------+-----------------------+
		{
			name: "RV=unset, allowWatchBookmarks=true, sendInitialEvents=nil",
			opts: listOptions(true, nil, ""),

  //
  // - If `paramKind` is cluster-scoped, this field MUST be unset. Setting this
  // field results in a configuration error.
  //
  // - If `paramKind` is namespace-scoped, the namespace of the object being
  // evaluated for admission will be used when this field is left unset. Take
  // care that if this is left empty the binding must not match any cluster-scoped

	// line breaks. The message must not contain line breaks.
	// If unset, the message is "failed rule: {Rule}".
	// e.g. "must be a URL with the host matching spec.host"
	// If the Expression contains line breaks. Message is required.
	// The message must not contain line breaks.
	// If unset, the message is "failed Expression: {Expression}".
	// +optional

	name string
	v    int
}

type Bitmap []uint32

// set the i-th bit.
func (bm Bitmap) Set(i Sym) {
	n, r := uint(i)/32, uint(i)%32
	bm[n] |= 1 << r
}

// unset the i-th bit.
func (bm Bitmap) Unset(i Sym) {
	n, r := uint(i)/32, uint(i)%32
	bm[n] &^= (1 << r)
}

// whether the i-th bit is set.
func (bm Bitmap) Has(i Sym) bool {
	n, r := uint(i)/32, uint(i)%32

	pkg := objabi.PathToPrefix(lib.Pkg)

	eof := f.Offset() + length
	start := f.Offset()
	c1 := bgetc(f)
	c2 := bgetc(f)
	c3 := bgetc(f)
	c4 := bgetc(f)
	f.MustSeek(start, 0)

	unit := &sym.CompilationUnit{Lib: lib}
	lib.Units = append(lib.Units, unit)

	magic := uint32(c1)<<24 | uint32(c2)<<16 | uint32(c3)<<8 | uint32(c4)

				}
				return
			}

			if err != nil {
				t.Fatalf("GetList failed: %v", err)
			}
			if len(out.ResourceVersion) == 0 {
				t.Errorf("%s: unset resourceVersion", tt.name)
			}

			if tt.expectedAlternatives == nil {
				expectNoDiff(t, "incorrect list pods", tt.expectedOut, out.Items)
			} else {

     */
    @CheckForNull
    V get();

    /** Returns the entry which contains this {@link WeakValueReference}. */
    E getEntry();

    /** Unsets the referenced value. Subsequent calls to {@link #get} will return {@code null}. */
    void clear();

    /**
     * Returns a freshly created {@link WeakValueReference} for the given {@code entry} (and on the

			if a.Reg == REGSP {
				// unset base register for better printing, since
				// a.Offset is still relative to pseudo-SP.
				a.Reg = obj.REG_NONE
			}
			c.instoffset = int64(c.autosize) + a.Offset
			if c.instoffset >= -BIG && c.instoffset < BIG {
				return C_SAUTO
			}
			return C_LAUTO

		case obj.NAME_PARAM:
			if a.Reg == REGSP {
				// unset base register for better printing, since