firebase-js-sdk/docs-devsite/ai.backend.md

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Backend class

Abstract base class representing the configuration for an AI service backend. This class should not be instantiated directly. Use its subclasses; GoogleAIBackend for the Gemini Developer API (via Google AI) and AgentPlatformBackend for the Agent Platform Gemini API.

Signature:

export declare abstract class Backend 

Constructors

Constructor	Modifiers	Description
(constructor)(type)		Protected constructor for use by subclasses.

Properties

Property	Modifiers	Type	Description
backendType		BackendType	Specifies the backend type.

Backend.(constructor)

Protected constructor for use by subclasses.

Signature:

protected constructor(type: BackendType);

Parameters

Parameter	Type	Description
type	BackendType	The backend type.

Backend.backendType

Specifies the backend type.

Signature:

readonly backendType: BackendType;