/**
 * @fileoverview LangChain prompt strategy implementation.
 *
 * This module implements a prompt strategy using LangChain for enhanced prompt
 * management, templating, and chain capabilities.
 */
import { ReviewOptions } from '../../types/review';
import { PromptStrategy } from './PromptStrategy';
import { PromptManager } from '../PromptManager';
import { PromptCache } from '../cache/PromptCache';
import { FewShotPromptTemplate } from '@langchain/core/prompts';
/**
 * LangChain-based prompt strategy implementation
 */
export declare class LangChainPromptStrategy extends PromptStrategy {
    /**
     * Create a new LangChain prompt strategy
     * @param promptManager Prompt manager instance
     * @param promptCache Prompt cache instance
     */
    constructor(promptManager: PromptManager, promptCache: PromptCache);
    /**
     * Format a prompt using LangChain
     * @param prompt Raw prompt
     * @param options Review options
     * @returns Formatted prompt
     */
    formatPrompt(prompt: string, options: ReviewOptions): Promise<string>;
    /**
     * Create a few-shot prompt template
     * @param prefix The prefix text for the prompt
     * @param examples The few-shot examples to include
     * @param suffix The suffix text for the prompt
     * @param options Review options
     * @returns FewShotPromptTemplate
     */
    createFewShotTemplate(prefix: string, examples: Array<Record<string, string>>, suffix: string, _options: ReviewOptions): FewShotPromptTemplate;
    /**
     * Create a template string for examples
     * @param variables The variables in the example
     * @returns Example template string
     */
    private createExampleTemplateString;
    /**
     * Create input values from review options
     * @param options Review options
     * @param inputVariables Input variables from the template
     * @returns Input values
     */
    private createInputValuesFromOptions;
    /**
     * Basic prompt formatting fallback
     * @param prompt Raw prompt
     * @param options Review options
     * @returns Formatted prompt
     */
    private basicFormatPrompt;
    /**
     * Get the name of the strategy
     * @returns Strategy name
     */
    getName(): string;
    /**
     * Get the description of the strategy
     * @returns Strategy description
     */
    getDescription(): string;
}