.add("\tkey\t:\tvalue\t") // '\t' also counts as whitespace
        .add("ping:  pong  ") // Value whitespace is trimmed.
        .add("kit:kat") // Space after colon is not required.
        .build()
    assertThat(headers.values("foo")).containsExactly("bar", "baz", "bak")
    assertThat(headers.values("key")).containsExactly("value")
    assertThat(headers.values("ping")).containsExactly("pong")

	keys := make([]string, len(settableFlags))
	i := 0
	for key := range settableFlags {
		keys[i] = key
		i++
	}
	sort.Strings(keys)
	w := new(tabwriter.Writer).Init(writer, 0, 8, 5, ' ', 0)
	fmt.Fprintf(w, "FLAG\tVALUE\tFROM\n")
	for _, flag := range keys {
		v := settableFlags[flag]
		fmt.Fprintf(w, "%s\t%s\t%v\n", flag, viper.GetString(flag), configSource(flag, v))
	}
	return w.Flush()
}

                String text = parser.getText();
                lValue = lValue != null ? lValue + text : text;
            } else if (eventType == XMLStreamReader.END_ELEMENT) {
                boolean emptyTag = lastStartTag
                        == parser.getLocation().getLineNumber() * 1000
                                + parser.getLocation().getColumnNumber();
                if (lValue != null && trim && !spacePreserve) {

        '''
        file('a/src/main/resources/A.properties') << '''
            aprop=avalue
        '''

        file('b/src/main/java/B.java') << '''
            public class B {
                public int truth() { return 0; }
            }
        '''
        file('b/src/main/resources/B.properties') << '''
            bprop=bvalue
        '''
    }

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.

        '''
        file('a/src/main/resources/A.properties') << '''
            aprop=avalue
        '''

        file('b/src/main/java/B.java') << '''
            public class B {
                public int truth() { return 0; }
            }
        '''
        file('b/src/main/resources/B.properties') << '''
            bprop=bvalue
        '''
    }

package atomic

import (
	"unsafe"
)

// A Value provides an atomic load and store of a consistently typed value.
// The zero value for a Value returns nil from [Value.Load].
// Once [Value.Store] has been called, a Value must not be copied.
//
// A Value must not be copied after first use.
type Value struct {
	v any
}

// efaceWords is interface{} internal representation.

	"reflect"
)

func main() {
	a := arena.NewArena()
	defer a.Free()

	const iValue = 10

	i := arena.New[int](a)
	*i = iValue

	if *i != iValue {
		// This test doesn't reasonably expect this to fail. It's more likely
		// that *i crashes for some reason. Still, why not check it.
		log.Fatalf("bad i value: got %d, want %d", *i, iValue)
	}

	const wantLen = 125
	const wantCap = 1912

interface ValueDataContainer<DValue, DValueFactory : DValue, DLiteral : DValue> {
    fun data(value: DeclarativeDocument.ValueNode): DValue = when (value) {
        is DeclarativeDocument.ValueNode.ValueFactoryNode -> data(value)
        is DeclarativeDocument.ValueNode.LiteralValueNode -> data(value)
    }

    fun data(value: DeclarativeDocument.ValueNode.ValueFactoryNode): DValueFactory

internal
class OverlayRoutedValueDataContainer<DValue, DValueFactory : DValue, DLiteral : DValue>(
    private val overlayOriginContainer: OverlayOriginContainer,
    private val underlay: ValueDataContainer<DValue, DValueFactory, DLiteral>,
    private val overlay: ValueDataContainer<DValue, DValueFactory, DLiteral>
) : ValueDataContainer<DValue, DValueFactory, DLiteral> {