import { Content, HarmBlockThreshold, HarmCategory, VertexAI } from "@google-cloud/vertexai";
import { LlmCoreProvider, LlmGenerationConfig, LlmMessage, LlmResponse, LlmStreamProviderResponseChunkEvent, LlmStreamResponseEvent } from "../../providers";
export { HarmBlockThreshold as VertexAiHarmBlockThreshold, HarmCategory as VertexAiHarmCategory };
export interface GoogleVertexAiConfig {
    project?: string;
    location?: string;
    keyFilename?: string;
    safetySettings?: {
        category: HarmCategory;
        threshold: HarmBlockThreshold;
    }[];
    name?: string;
}
/** Provides access to GoogleVertexAi and other compatible services */
export declare class GoogleVertexAiProvider implements LlmCoreProvider {
    static readonly defaultName = "google-vertex-ai";
    readonly name: string;
    readonly client: VertexAI;
    constructor({ project, location, keyFilename, safetySettings, name }?: GoogleVertexAiConfig);
    generateResponse(model: string, messages: LlmMessage[], config?: LlmGenerationConfig): Promise<LlmResponse>;
    generateResponseStream(model: string, messages: LlmMessage[], config?: LlmGenerationConfig): AsyncGenerator<LlmStreamProviderResponseChunkEvent | LlmStreamResponseEvent, void, unknown>;
    getAvailableModels(): Promise<string[]>;
    countTokens(model: string, contents: Content[]): Promise<{
        model: string;
        inputTokens: number;
        characterCount: number;
    }>;
    createEmbedding(model: string, text: string, abortSignal?: AbortSignal): Promise<number[]>;
}