/// <reference types="node" />
export interface CommanderInstruct {
    /** 指令类别 */
    type: 'info' | 'warn' | 'error';
    /** 指令优先级 */
    level?: number;
    /** 指令内容 */
    content: {
        text?: string;
        textArray?: string[];
    };
}
export declare type onInstructFunc = (ins: CommanderInstruct) => void;
export interface CommanderStrategyOptions {
    executeDuration?: number;
    maxStateHistoryLen?: number;
    enableStatePersist?: boolean;
    statePersistExpireDuration?: number;
}
export declare abstract class CommanderStrategy<T = any> {
    protected key: string;
    protected onExecute: onInstructFunc;
    protected options: CommanderStrategyOptions;
    /** 状态历史 */
    stateHistory: T[];
    /** 指令队列 */
    instructs: CommanderInstruct[];
    /** 是否在指令执行中 */
    protected isExecuting: boolean;
    protected intervalHandler: NodeJS.Timeout | number;
    constructor(key: string, onExecute: onInstructFunc, options?: CommanderStrategyOptions);
    pushState(nextState: T): Promise<void>;
    protected abstract inspect(currentState: T, nextState: T): Promise<void>;
    close(): Promise<void>;
    /** 添加指令到指令队列中 */
    protected pushInstruct(instruct: CommanderInstruct): Promise<void>;
    /** 内部执行指令的操作 */
    protected executeInstruction(ins: CommanderInstruct): Promise<void>;
    /** 定期执行任务 */
    protected onInterval(): void;
}