export declare enum PhaseType {
    CONFIRM = "confirm",
    THINKPLAN = "thinkplan",
    PLAN = "plan",
    REACT = "react",
    SUMMARY = "summary",
    ALL = "all"
}
export interface PhasePromptFactory {
    [key: string]: (markdownPrompt: string) => string;
}
export interface PhaseState {
    currentTask?: string;
    reactCycleCount: number;
}
/**
 * 阶段必要性判断结果
 */
export interface PhaseNecessityResult {
    isNecessary: boolean;
    reason: string;
}
/**
 * Phases 类 - Agent 阶段管理器
 *
 * 设计理念：基于 LLM 上下文的自主任务判断
 *
 * 核心原则：
 * 1. 相信 LLM 基于上下文做出正确判断的能力
 * 2. 对话历史和工具调用结果就是任务状态的唯一真相源
 * 3. 简化状态管理，让代码更易维护
 */
export declare class Phases {
    private phases;
    private currentPhaseIndex;
    private disabledPhases;
    private phaseState;
    private logger;
    private promptFactory;
    private static sharedLLM?;
    private static llmCallCache;
    private static cacheExpiry;
    private static readonly CACHE_TTL;
    constructor(logger?: (message: string, data?: any) => void, promptFactory?: PhasePromptFactory);
    getCurrentPhase(): PhaseType;
    nextPhase(): PhaseType | null;
    getNextPhase(): PhaseType | null;
    getPhaseState(): PhaseState;
    resetPhase(): void;
    disablePhase(phase: PhaseType): void;
    getPhasePrompt(phase: PhaseType, options?: {
        customPrompt?: string;
        input?: string;
    }): string;
}