## Change
Removed:
- `ChatMessage.text()`
- `Document.metadata(String)` -> Replaced by:
`Document.metadata().get{Type}(String)`
- `TextSegment.metadata(String)` -> Replaced by:
`TextSegment.metadata().get{Type}(String)`
- `Metadata.get(String)` -> Replaced by: `Metadata.get{Type}(String)`
- `Metadata.add(String, Object)` -> Replaced by: `Metadata.put(String,
{Type})`
- `Metadata.add(String, String)` -> Replaced by: `Metadata.put(String,
{Type})`
- `Metadata.asMap()` -> Replaced by: `Metadata.toMap()`
- `Metadata.from(String, Object)` -> Replaced by: `Metadata.from(String,
String)`
- `Metadata.metadata(String, Object)` -> Replaced by:
`Metadata.metadata(String, String)`
- `RetrievalAugmentor.augment(UserMessage, Metadata)` -> Replaced by:
`RetrievalAugmentor.augment(AugmentationRequest)`
- `ContentInjector.inject(List, UserMessage)` -> Replaced by:
`ContentInjector.inject(List, ChatMessage)`
- `Retriever` -> Replaced by: `ContentRetriever`
- `EmbeddingStoreRetriever` -> Replaced by:
`EmbeddingStoreContentRetriever`
- `Utils.isCollectionEmpty(Collection)` -> Replaced by:
`Utils.isNullOrEmpty(Collection)`
- `JsonObjectSchema.Builder.properties()` -> Replaced by:
`JsonObjectSchema.Builder.addProperties()`
## General checklist
- [ ] There are no breaking changes
- [ ] I have added unit and/or integration tests for my change
- [ ] The tests cover both positive and negative cases
- [ ] I have manually run all the unit and integration tests in the
module I have added/changed, and they are all green
- [ ] I have manually run all the unit and integration tests in the
[core](https://github.com/langchain4j/langchain4j/tree/main/langchain4j-core)
and
[main](https://github.com/langchain4j/langchain4j/tree/main/langchain4j)
modules, and they are all green
- [x] I have added/updated the
[documentation](https://github.com/langchain4j/langchain4j/tree/main/docs/docs)
- [ ] I have added an example in the [examples
repo](https://github.com/langchain4j/langchain4j-examples) (only for
"big" features)
- [ ] I have added/updated [Spring Boot
starter(s)](https://github.com/langchain4j/langchain4j-spring) (if
applicable)
d86c4b999d