import type { QirrelContext } from "../types";
import { LLMCache } from "./cache";
import { type FallbackHandler } from "./fallback";
import type { LLMAdapter, LLMConfig, LLMResponse } from "./types";
export declare abstract class BaseLLMAdapter implements LLMAdapter {
    protected config: LLMConfig;
    protected cache?: LLMCache;
    protected fallbackHandler: FallbackHandler;
    protected readonly defaultCacheTtl: number;
    constructor(config: LLMConfig, enableCache?: boolean, fallbackHandler?: FallbackHandler);
    abstract generate(prompt: string, options?: Partial<LLMConfig>): Promise<LLMResponse>;
    generateWithContext(input: QirrelContext, promptTemplate: string, options?: Partial<LLMConfig>): Promise<QirrelContext>;
    protected mergeConfig(options?: Partial<LLMConfig>): LLMConfig;
    protected getCacheKey(prompt: string, config: LLMConfig): string;
    protected generateWithCache(prompt: string, options?: Partial<LLMConfig>, generator?: (config: LLMConfig) => Promise<LLMResponse>): Promise<LLMResponse>;
}