GroundingChunk

All Implemented Interfaces:
```
public abstract class GroundingChunk
extends JsonSerializable
                    
```
A piece of evidence that supports a claim made by the model.
This is used to show a citation for a claim made by the model. When grounding is enabled, the model returns a `GroundingChunk` that contains a reference to the source of the information.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`public abstract class`	`GroundingChunk.Builder`	Builder for GroundingChunk.

Field Summary

Fields
Modifier and Type	Field	Description
`public final static String`	`MAX_READ_LENGTH_PROPERTY`

Constructor Summary

Constructors
Constructor	Description
`GroundingChunk()`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`abstract Optional<GroundingChunkImage>`	`image()`	A grounding chunk from an image search result.
`abstract Optional<GroundingChunkMaps>`	`maps()`	A `Maps` chunk is a piece of evidence that comes from Google Maps.
`abstract Optional<GroundingChunkRetrievedContext>`	`retrievedContext()`	A grounding chunk from a data source retrieved by a retrieval tool, such as Vertex AI Search.
`abstract Optional<GroundingChunkWeb>`	`web()`	A grounding chunk from a web page, typically from Google Search.
`static GroundingChunk.Builder`	`builder()`	Instantiates a builder for GroundingChunk.
`abstract GroundingChunk.Builder`	`toBuilder()`	Creates a builder with the same values as this instance.
`static GroundingChunk`	`fromJson(String jsonString)`	Deserializes a JSON string to a GroundingChunk object.

Methods inherited from class com.google.genai.JsonSerializable
fromJsonNode, fromJsonString, objectMapper, setMaxReadLength, stringToJsonNode, toJson, toJsonNode, toJsonString
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GroundingChunk
```
GroundingChunk()
```
- Method Detail
  - image
```
 abstract Optional<GroundingChunkImage> image()
```
    A grounding chunk from an image search result. See the `Image` message for details.
  - maps
```
 abstract Optional<GroundingChunkMaps> maps()
```
    A `Maps` chunk is a piece of evidence that comes from Google Maps.
    It contains information about a place, such as its name, address, and reviews. This is used to provide the user with rich, location-based information.
  - retrievedContext
```
 abstract Optional<GroundingChunkRetrievedContext> retrievedContext()
```
    A grounding chunk from a data source retrieved by a retrieval tool, such as Vertex AI Search. See the `RetrievedContext` message for details
  - web
```
 abstract Optional<GroundingChunkWeb> web()
```
    A grounding chunk from a web page, typically from Google Search. See the `Web` message for details.
  - builder
```
 static GroundingChunk.Builder builder()
```
    Instantiates a builder for GroundingChunk.
  - toBuilder
```
 abstract GroundingChunk.Builder toBuilder()
```
    Creates a builder with the same values as this instance.
  - fromJson
```
 static GroundingChunk fromJson(String jsonString)
```
    Deserializes a JSON string to a GroundingChunk object.