"Task"                           | "copy1.get()"          | "[copy1]"
        "TaskProvider"                   | "copy1"                | "[copy1]"
        "Array[Task, TaskProvider]"      | "copy1.get(), copy2"   | "[copy1, copy2]"
        "Collection(Task, TaskProvider)" | "[copy1.get(), copy2]" | "[copy1, copy2]"
    }

        def state = property.unpackState()
        def copy = managedFactory().fromState(property.publicType(), state)
        !copy.is(property)
        !copy.present
        copy.getOrNull() == null

        property.set(someValue())
        copy.getOrNull() == null

        def state2 = property.unpackState()
        def copy2 = managedFactory().fromState(property.publicType(), state2)

	_ = complex(f2())
	_ = complex(f3()) // ERROR "too many arguments"
}

func copy1() {
	copy() // ERROR "not enough arguments"
	copy("foo") // ERROR "not enough arguments"
	copy([ /* ERROR "copy expects slice arguments" */ ...]int{}, []int{})
	copy([ /* ERROR "copy expects slice arguments" */ ]int{}, [...]int{})
	copy([ /* ERROR "different element types" */ ]int8{}, "foo")

	// spec examples

			if ctx.Err() != nil {
				return
			}

			if _, err := io.Copy(conn, f); err != nil {
				b.Errorf("failed to copy: %v", err)
				return
			}
		}
	}(ln, fileName)

	conn, err := Dial("tcp", ln.Addr().String())
	if err != nil {
		b.Fatalf("failed to dial: %v", err)
	}
	defer conn.Close()

	n, err := io.CopyN(io.Discard, conn, int64(dataSize))
	if err != nil {

	}
	// First, copy the dwarf load command into the header. It will be
	// updated later with new offsets and lengths as necessary.
	if _, err := outf.Seek(int64(dwarfCmdOffset), 0); err != nil {
		return err
	}
	if _, err := io.CopyN(outf, bytes.NewReader(realdwarf.Raw()), int64(realdwarf.Len)); err != nil {
		return err
	}

//
// If src implements [WriterTo],
// the copy is implemented by calling src.WriteTo(dst).
// Otherwise, if dst implements [ReaderFrom],
// the copy is implemented by calling dst.ReadFrom(src).
func Copy(dst Writer, src Reader) (written int64, err error) {
	return copyBuffer(dst, src, nil)
}

// CopyBuffer is identical to Copy except that it stages through the
// provided buffer (if one is required) rather than allocating a

	}
	if size > go122.MaxBatchSize {
		return batch{}, gen, fmt.Errorf("invalid batch size %d, maximum is %d", size, go122.MaxBatchSize)
	}

	// Copy out the batch for later processing.
	var data bytes.Buffer
	data.Grow(int(size))
	n, err := io.CopyN(&data, r, int64(size))
	if n != int64(size) {
		return batch{}, gen, fmt.Errorf("failed to read full batch: read %d but wanted %d", n, size)
	}
	if err != nil {

        immutable.excludes == excludes

        def copy = immutable.asMutable()
        copy != metadata
        copy.id == newId
        copy.moduleVersionId == DefaultModuleVersionIdentifier.newId(newId)
        copy.sources == MutableModuleSources.of(sources)
        copy.status == "3"
        copy.branch == "release"
        copy.changing
        copy.missing
        copy.statusScheme == ["1", "2", "3"]

        def copy = immutable.asMutable()
        copy.id = newId
        copy.sources = MutableModuleSources.of(sources)
        copy.changing = true
        copy.status = "3"
        copy.statusScheme = ["2", "3"]
        copy.snapshotTimestamp = "123"
        copy.packaging = "pom"
        copy.relocated = true
        def immutableCopy = copy.asImmutable()

        then:

                is ObjectOrigin.CustomConfigureAccessor -> origin.copy(receiver = replace(origin.receiver))
                is ObjectOrigin.FromLocalValue -> origin.copy(assigned = replace(origin.assigned))
                is ObjectOrigin.ImplicitThisReceiver -> origin.copy(resolvedTo = replaceInReceiver(origin.resolvedTo))
                is ObjectOrigin.PropertyDefaultValue -> origin.copy(receiver = replace(origin.receiver))