import type { ZodType, ZodTypeDef } from "zod";
import { type Schema, type LanguageModelV1 } from "ai";
import type { AIProviderName } from "../core/types.js";
import type { StreamOptions, StreamResult } from "../types/streamTypes.js";
import { BaseProvider } from "../core/baseProvider.js";
/**
 * Google Vertex AI Provider v2 - BaseProvider Implementation
 *
 * PHASE 3.5: Simple BaseProvider wrap around existing @ai-sdk/google-vertex implementation
 *
 * Features:
 * - Extends BaseProvider for shared functionality
 * - Preserves existing Google Cloud authentication
 * - Maintains Anthropic model support via dynamic imports
 * - Uses pre-initialized Vertex instance for efficiency
 * - Enhanced error handling with setup guidance
 */
export declare class GoogleVertexProvider extends BaseProvider {
    private vertex;
    private model;
    private projectId;
    private location;
    private cachedAnthropicModel;
    constructor(modelName?: string, sdk?: unknown);
    protected getProviderName(): AIProviderName;
    protected getDefaultModel(): string;
    /**
     * Returns the Vercel AI SDK model instance for Google Vertex
     * Handles both Google and Anthropic models
     */
    protected getAISDKModel(): Promise<LanguageModelV1>;
    protected executeStream(options: StreamOptions, analysisSchema?: ZodType<unknown, ZodTypeDef, unknown> | Schema<unknown>): Promise<StreamResult>;
    protected handleProviderError(error: unknown): Error;
    private validateStreamOptions;
    /**
     * Check if Anthropic models are available
     * @returns Promise<boolean> indicating if Anthropic support is available
     */
    hasAnthropicSupport(): Promise<boolean>;
    /**
     * Create an Anthropic model instance if available
     * @param modelName Anthropic model name (e.g., 'claude-3-sonnet@20240229')
     * @returns LanguageModelV1 instance or null if not available
     */
    createAnthropicModel(modelName: string): Promise<LanguageModelV1 | null>;
}
export default GoogleVertexProvider;