return request;
    }

    /**
     * Adds conversation history to the request, truncating from oldest to fit within the character budget.
     *
     * @param request the LLM chat request
     * @param history the conversation history (oldest first)
     * @param budgetChars the maximum total characters for history messages
     */

import static com.google.common.collect.Iterators.filter;
import static com.google.common.collect.Iterators.find;
import static com.google.common.collect.Iterators.frequency;
import static com.google.common.collect.Iterators.get;
import static com.google.common.collect.Iterators.getLast;
import static com.google.common.collect.Iterators.getOnlyElement;
import static com.google.common.collect.Iterators.peekingIterator;

                    value = stream((String[]) value).get(stream -> stream.collect(Collectors.joining("\n")));
                } else if (value instanceof List) {
                    @SuppressWarnings("unchecked")
                    final List<String> list = (List<String>) value;
                    value = list.stream().collect(Collectors.joining("\n"));
                }

import static com.google.common.collect.Iterators.filter;
import static com.google.common.collect.Iterators.find;
import static com.google.common.collect.Iterators.frequency;
import static com.google.common.collect.Iterators.get;
import static com.google.common.collect.Iterators.getLast;
import static com.google.common.collect.Iterators.getOnlyElement;
import static com.google.common.collect.Iterators.peekingIterator;

                        .flatMap(step -> step.mojos.values().stream().flatMap(map -> map.values().stream()))
                        .filter(execution -> !execution.getMojoDescriptor().isV4Api())
                        .collect(Collectors.toSet());
                if (!unsafeExecutions.isEmpty()) {
                    for (String s : MultilineMessageHelper.format("""

 * limitations under the License.
 */

package com.google.common.collect;

import static com.google.common.collect.Maps.immutableEntry;
import static com.google.common.collect.Maps.transformEntries;
import static com.google.common.collect.Maps.transformValues;
import static com.google.common.collect.Maps.unmodifiableNavigableMap;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;

)

func sliceOfString(s [][]byte) []string {
	result := make([]string, len(s))
	for i, v := range s {
		result[i] = string(v)
	}
	return result
}

func collect(t *testing.T, seq iter.Seq[[]byte]) [][]byte {
	out := slices.Collect(seq)
	out1 := slices.Collect(seq)
	if !slices.Equal(sliceOfString(out), sliceOfString(out1)) {
		t.Fatalf("inconsistent seq:\n%s\n%s", out, out1)
	}
	return out
}

type LinesTest struct {

import com.google.common.base.Joiner;
import com.google.common.base.Predicate;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.ForwardingSet;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Ordering;
import com.google.common.primitives.Primitives;

        if (highlightedQuerySet != null) {
            assertEquals(highlightedQuerySet.stream().sorted().collect(Collectors.joining("\n")),
                    set.stream().sorted().collect(Collectors.joining("\n")));
        }
        set.clear();
    }

    private void assertFieldLogs(Map<String, List<String>> fieldLogMap) {
        @SuppressWarnings("unchecked")

            states.entrySet()
                    .stream()
                    .filter(e -> (now - e.getValue().getExpiration()) / 1000L > getStateTtl())
                    .map(Map.Entry::getKey)
                    .collect(Collectors.toList())
                    .forEach(s -> {
                        if (logger.isDebugEnabled()) {
                            logger.debug("Removing old state: {}", s);
                        }