import ai.pairsys.goodmem.client.model.*;

// Option 1: No chunking (preserve content as a single unit)
ChunkingConfigurationOneOf noneVariant = new ChunkingConfigurationOneOf().none(new Object());
ChunkingConfiguration configNone = new ChunkingConfiguration(noneVariant);

// Option 2: Recursive chunking
RecursiveChunkingConfiguration recursive = new RecursiveChunkingConfiguration()
    .chunkSize(512)
    .chunkOverlap(64)
    .keepStrategy(SeparatorKeepStrategy.KEEP_END)
    .lengthMeasurement(LengthMeasurement.CHARACTER_COUNT);
ChunkingConfigurationOneOf1 recursiveVariant = new ChunkingConfigurationOneOf1().recursive(recursive);
ChunkingConfiguration configRecursive = new ChunkingConfiguration(recursiveVariant);

// Option 3: Sentence-based chunking
SentenceChunkingConfiguration sentence = new SentenceChunkingConfiguration()
    .maxChunkSize(1024)
    .minChunkSize(100)
    .lengthMeasurement(LengthMeasurement.CHARACTER_COUNT);
ChunkingConfigurationOneOf2 sentenceVariant = new ChunkingConfigurationOneOf2().sentence(sentence);
ChunkingConfiguration configSentence = new ChunkingConfiguration(sentenceVariant);

// Reading from a response (auto-detects which variant)
Space space = spacesApi.getSpace(spaceId);
ChunkingConfiguration config = space.getDefaultChunkingConfig();
Object actual = config.getActualInstance();
if (actual instanceof ChunkingConfigurationOneOf1) {
    System.out.println("Recursive chunking");
}