import { spawn } from "node:child_process";
export interface KeepAwakeStatus {
    supported: boolean;
    enabled: boolean;
    platform: NodeJS.Platform;
    method?: string;
}
export interface KeepAwakeInvocation {
    command: string;
    args: string[];
    method: string;
    readyMarker?: string;
}
interface KeepAwakeDependencies {
    spawnProcess: typeof spawn;
    delay: (ms: number) => Promise<void>;
}
export declare function buildKeepAwakeInvocation(platform?: NodeJS.Platform, env?: NodeJS.ProcessEnv): KeepAwakeInvocation | undefined;
/** Engine 级防休眠控制器。子进程退出时，系统会自动释放对应的唤醒断言。 */
export declare class KeepAwakeController {
    private readonly log;
    private readonly platform;
    private readonly env;
    private readonly dependencies;
    private child?;
    private method?;
    private ready;
    private queue;
    constructor(options?: {
        platform?: NodeJS.Platform;
        env?: NodeJS.ProcessEnv;
        dependencies?: Partial<KeepAwakeDependencies>;
    });
    status(): KeepAwakeStatus;
    setEnabled(enabled: boolean): Promise<KeepAwakeStatus>;
    private enable;
    private disable;
}
export {};