/**
 * Lightweight LLM client for AI Eval tools.
 * Uses raw fetch — no SDK dependency.
 * Reads ANTHROPIC_API_KEY from env.
 * Future: add OPENAI_API_KEY, GOOGLE_API_KEY support.
 */
export interface LLMResponse {
    text: string;
    tokens: number;
    model: string;
}
export declare function callClaude(prompt: string, options?: {
    system?: string;
    maxTokens?: number;
    temperature?: number;
    model?: string;
}): Promise<LLMResponse>;
/**
 * Run a prompt N times and collect responses.
 * Rate-limits to avoid 429s (1 req/sec).
 */
export declare function runPromptNTimes(prompt: string, n: number, options?: Parameters<typeof callClaude>[1]): Promise<LLMResponse[]>;
/**
 * Run a multi-turn conversation (for persona drift / emotional stability tests).
 * Each message is sent sequentially, building context.
 */
export declare function runConversation(messages: string[], options?: {
    system?: string;
    maxTokens?: number;
    temperature?: number;
    model?: string;
}): Promise<LLMResponse[]>;