/**
 * AI SDK Backend
 *
 * Main implementation of the AI SDK backend for praisonai-ts.
 * Provides generateText, streamText, and generateObject methods
 * with retry logic, timeouts, and attribution support.
 */
import type { LLMProvider, GenerateTextOptions, GenerateTextResult, StreamTextOptions, StreamChunk, GenerateObjectOptions, GenerateObjectResult } from '../types';
import type { AISDKBackendConfig } from './types';
/**
 * AI SDK Backend - implements LLMProvider interface
 */
export declare class AISDKBackend implements LLMProvider {
    readonly providerId: string;
    readonly modelId: string;
    private readonly config;
    private readonly attribution?;
    private provider;
    private model;
    constructor(modelString: string, config?: AISDKBackendConfig);
    /**
     * Initialize the AI SDK provider and model (lazy)
     */
    private ensureInitialized;
    /**
     * Generate text (non-streaming)
     */
    generateText(options: GenerateTextOptions): Promise<GenerateTextResult>;
    /**
     * Stream text generation
     */
    streamText(options: StreamTextOptions): Promise<AsyncIterable<StreamChunk>>;
    /**
     * Generate structured object output
     */
    generateObject<T = unknown>(options: GenerateObjectOptions<T>): Promise<GenerateObjectResult<T>>;
    /**
     * Get the underlying AI SDK model (for advanced use)
     */
    getModel(): Promise<unknown>;
    /**
     * Get the underlying AI SDK provider (for advanced use)
     */
    getProvider(): Promise<unknown>;
}
/**
 * Create an AI SDK backend instance
 */
export declare function createAISDKBackend(modelString: string, config?: AISDKBackendConfig): AISDKBackend;