ImageContent class final

An image provided to or from an LLM.

Revisions: 2024-11-05, 2025-03-26, 2025-06-18, 2025-11-25, 2026-07-28, ext-tasks/2026-07-28.

Inheritance
Implemented types

Constructors

ImageContent({Annotations? annotations, required String data, required String mimeType, Map<String, Object?>? meta, Map<String, Object?>? extra})
ImageContent.fromBase64({required String data, required String mimeType})
2.x name for the constructor: base64 data of type mimeType.
factory
ImageContent.fromJson(Map<String, Object?> json)
Wraps json as received; nothing is dropped.

Properties

annotations → Annotations?
Optional annotations for the client.
no setter
data → String
The base64-encoded image data.
no setter
extra → Map<String, Object?>
Keys outside the schema (newer revisions, extensions, applications).
no setterinherited
hashCode → int
The hash code for this object.
no setterinherited
meta → Map<String, Object?>?
no setter
mimeType → String
The MIME type of the image. Different providers may support different image types.
no setter
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited
schemaKeys → Set<String>
Property names the schema defines for this type.
no setteroverride
type → String
no setter

Methods

$optional<T>(String key, T? read(Object? value, String path)) → T?
Optional property key, converted by read; null when absent or null.
inherited
$required<T>(String key, T read(Object? value, String path)) → T
Required property key, converted by read.
inherited
check() → List<String>
Reads every property this type defines and returns what could not be read (missing required properties, wrong types), nested types included. Empty = the JSON matches the schema's shape for this type.
override
copyWith({Annotations? annotations, String? data, String? mimeType, Map<String, Object?>? meta}) → ImageContent
A copy with the given properties replaced; everything else, unknown keys included, is kept.
has(String key) → bool
Whether key is present (a null value counts as present).
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toJson() → Map<String, Object?>
The JSON form of this value.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
Equal when the JSON is equal; key order does not matter.
inherited
operator [](String key) → Object?
The raw JSON value of key.
inherited

Constants

keys → const Set<String>