/**
 * GeminiClient - Interface to Google Gemini API for agent decision-making
 */
import { AgentOutput, LLMMessage } from '../types';
/**
 * Configuration for GeminiClient
 */
export interface GeminiClientConfig {
    /** Gemini API key */
    apiKey: string;
    /** Model name (default: gemini-1.5-flash) */
    model?: string;
    /** Maximum retries on failure (default: 3) */
    maxRetries?: number;
    /** Temperature for generation (default: 0.7) */
    temperature?: number;
}
/**
 * GeminiClient handles communication with Google Gemini API
 */
export declare class GeminiClient {
    private genAI;
    private model;
    private maxRetries;
    private temperature;
    constructor(config: GeminiClientConfig);
    /**
     * Generate agent output from conversation messages
     * @param messages - Array of conversation messages
     * @returns AgentOutput or null if all retries fail
     */
    generateAgentOutput(messages: LLMMessage[]): Promise<AgentOutput | null>;
    /**
     * Attempt to generate and parse output
     */
    private attemptGeneration;
    /**
     * Convert LLMMessage array to Gemini API format
     */
    private convertToGeminiFormat;
    /**
     * Get corrective message for retry attempts
     */
    private getCorrectiveMessage;
    /**
     * Check if error is retryable
     */
    private isRetryableError;
    /**
     * Delay helper for exponential backoff
     */
    private delay;
}
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