Project: /docs/reference/js/_project.yaml Book: /docs/reference/_book.yaml page_type: reference

{% comment %} DO NOT EDIT THIS FILE! This is generated by the JS SDK team, and any local changes will be overwritten. Changes should be made in the source code at https://github.com/firebase/firebase-js-sdk {% endcomment %}

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 VertexAIBackend for the Vertex AI Gemini API.

<b>Signature:</b>

export declare abstract class Backend 

Constructors

Properties

Backend.(constructor)

Protected constructor for use by subclasses.

<b>Signature:</b>

protected constructor(type: BackendType);

Parameters

Backend.backendType

Specifies the backend type.

<b>Signature:</b>

readonly backendType: BackendType;