AIChatMessageContentBlock class sealed

An ordered content block produced by a chat model.

A block can be correlated across streaming chunks through either a stable provider id or an explicit provider index. Provider-specific values must be nested under a provider namespace in providerData.

Implementers

• AIChatMessageFileBlock
• AIChatMessageMediaBlock
• AIChatMessageNonStandardBlock
• AIChatMessageProviderMetadataBlock
• AIChatMessageReasoningBlock
• AIChatMessageServerToolCall
• AIChatMessageServerToolResult
• AIChatMessageTextBlock
• AIChatMessageToolCall

Annotations

• @immutable

Constructors

AIChatMessageContentBlock.fromMap(Map<String, dynamic> map)

Converts a map to a content block.

factory

Properties

hashCode → int

The hash code for this object.

no setter, inherited

id → String

Stable provider identifier for this block, when available.

final

index → int?

Position assigned to this block by the provider's streaming protocol.

final

isMergeable → bool

Whether later streaming chunks may be merged into this block.

final

providerData → Map<String, dynamic>

Provider-specific data, nested under a provider namespace.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

streamIdentity → String?

A stable identity that can be used to merge streamed chunks.

no setter

Methods

canMerge(AIChatMessageContentBlock other) → bool

Whether other is a chunk of the same logical streaming block.

concat(AIChatMessageContentBlock other) → AIChatMessageContentBlock

Merges a later streaming chunk into this block.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toMap() → Map<String, dynamic>

Converts this block to a map.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited