/**
 * Base adapter class for LLM providers
 *
 * @packageDocumentation
 */
import type { LLMProvider, LLMConfig, LLMAdapter, CompletionRequest, CompletionResponse } from '../../types/llm.js';
/**
 * LLM-related errors
 */
export declare class LLMError extends Error {
    readonly code: LLMErrorCode;
    readonly provider: LLMProvider;
    readonly cause?: Error | undefined;
    constructor(message: string, code: LLMErrorCode, provider: LLMProvider, cause?: Error | undefined);
}
export type LLMErrorCode = 'NOT_CONFIGURED' | 'API_ERROR' | 'RATE_LIMIT' | 'INVALID_RESPONSE' | 'TIMEOUT' | 'NETWORK_ERROR' | 'PARSE_ERROR';
/**
 * Default configuration values
 */
export declare const DEFAULT_CONFIG: {
    maxTokens: number;
    temperature: number;
    timeout: number;
    retries: number;
};
/**
 * Abstract base class for LLM adapters
 */
export declare abstract class BaseLLMAdapter implements LLMAdapter {
    protected config: LLMConfig;
    constructor(config: LLMConfig);
    abstract get provider(): LLMProvider;
    get model(): string;
    abstract complete(request: CompletionRequest): Promise<CompletionResponse>;
    isConfigured(): boolean;
    getConfig(): Omit<LLMConfig, 'apiKey'>;
    /**
     * Retry a function with exponential backoff
     */
    protected withRetry<T>(fn: () => Promise<T>, maxRetries?: number): Promise<T>;
    /**
     * Parse JSON from LLM response, handling common issues
     */
    protected parseJSON<T>(content: string): T;
}
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