/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * The Google LLM variant to use.
 * see
 * https://google.github.io/adk-docs/get-started/quickstart/#set-up-the-model
 */
export declare enum GoogleLLMVariant {
    /**
     * For using credentials from Google Vertex AI
     */
    VERTEX_AI = "VERTEX_AI",
    /**
     * For using API Key from Google AI Studio
     */
    GEMINI_API = "GEMINI_API"
}
/**
 * Gets the Google LLM variant to use.
 */
export declare function getGoogleLlmVariant(): GoogleLLMVariant;