import Anthropic from '@anthropic-ai/sdk';
import OpenAI from 'openai';
import type { UserConfig, ResearchResults, PackageVersionInfo, TaskGuidance } from '../types.js';
export declare function getAnthropicClient(config: UserConfig): Anthropic;
export declare function getPerplexityClient(config: UserConfig): OpenAI;
export declare function generateWithClaude(config: UserConfig, systemPrompt: string, userPrompt: string, maxTokens?: number): Promise<string>;
export declare function researchWithPerplexity(config: UserConfig, query: string, systemPrompt?: string): Promise<string>;
/**
 * Extract technologies, frameworks, and packages mentioned in a PRD
 */
export declare function extractTechStack(config: UserConfig, prdContent: string): Promise<string[]>;
/**
 * Research current versions and status of packages
 */
export declare function researchPackageVersions(config: UserConfig, packages: string[]): Promise<{
    packages: PackageVersionInfo[];
    deprecated: string[];
    alternatives: Record<string, string>;
}>;
/**
 * Research project complexity and task breakdown guidance
 */
export declare function researchProjectComplexity(config: UserConfig, projectDescription: string, techStack: string[]): Promise<TaskGuidance | undefined>;
/**
 * Comprehensive PRD research - extracts tech stack, researches versions,
 * analyzes complexity, and gathers best practices
 */
export declare function researchPRDContext(config: UserConfig, prdContent: string): Promise<ResearchResults>;
/**
 * Format ResearchResults into a string for inclusion in prompts
 */
export declare function formatResearchResults(research: ResearchResults): string;
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