Blob

All Implemented Interfaces:
```
public abstract class Blob
extends JsonSerializable
                    
```
A content blob. A Blob contains data of a specific media type. It is used to represent images, audio, and video.

Nested Class Summary

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

Field Summary

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

Constructor Summary

Constructors
Constructor	Description
`Blob()`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`abstract Optional<Array<byte>>`	`data()`	Required.
`abstract Optional<String>`	`displayName()`	Optional.
`abstract Optional<String>`	`mimeType()`	Required.
`static Blob.Builder`	`builder()`	Instantiates a builder for Blob.
`abstract Blob.Builder`	`toBuilder()`	Creates a builder with the same values as this instance.
`static Blob`	`fromJson(String jsonString)`	Deserializes a JSON string to a Blob 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
  - Blob
```
Blob()
```
- Method Detail
  - data
```
 abstract Optional<Array<byte>> data()
```
    Required. The raw bytes of the data.
  - displayName
```
 abstract Optional<String> displayName()
```
    Optional. The display name of the blob. Used to provide a label or filename to distinguish blobs. This field is only returned in `PromptMessage` for prompt management. It is used in the Gemini calls only when server-side tools (`code_execution`, `google_search`, and `url_context`) are enabled. This field is not supported in Gemini API.
  - mimeType
```
 abstract Optional<String> mimeType()
```
    Required. The IANA standard MIME type of the source data.
  - builder
```
 static Blob.Builder builder()
```
    Instantiates a builder for Blob.
  - toBuilder
```
 abstract Blob.Builder toBuilder()
```
    Creates a builder with the same values as this instance.
  - fromJson
```
 static Blob fromJson(String jsonString)
```
    Deserializes a JSON string to a Blob object.