import { z } from 'zod';
import { AIProvider, AIResponse } from '../ai-engine';
/**
 * Generic utility for generating structured JSON responses
 * Works with any AI provider that implements the AIProvider interface
 */
export declare class StructuredOutputUtil {
    private schema;
    private parser;
    constructor(schema: z.ZodType<any>);
    /**
     * Generate structured JSON response using the provided AI provider
     */
    generateStructuredJSON(provider: AIProvider, prompt: string, systemPrompt?: string): Promise<AIResponse>;
    /**
     * Get format instructions for the schema
     */
    getFormatInstructions(): string;
    /**
     * Parse a string response into the structured format
     */
    parseResponse(responseContent: string): Promise<any>;
    /**
     * Validate that an object matches the schema
     */
    validateStructure(data: any): boolean;
    /**
     * Private helper methods
     */
    private generateWithFallback;
    private createSuccessResponse;
}
/**
 * Factory function to create a StructuredOutputUtil with a specific schema
 */
export declare function createStructuredOutputUtil<T>(schema: z.ZodType<T>): StructuredOutputUtil;
/**
 * Helper function to create a browser action structured output utility
 */
export declare function createBrowserActionStructuredUtil(): StructuredOutputUtil;