type Runner<T = unknown> = ((taskUnit: T) => T | undefined) | undefined;
type ThreadOptions = {
    priority: number;
};
declare class Thread {
    static create(runner: Runner, taskUnit: unknown, options: ThreadOptions): Thread;
    static threads: Thread[];
    static threadMap: Map<number, Thread[]>;
    static isAllEmpty(): boolean;
    static yieldInterval: number;
    runner: Runner;
    taskUnit: unknown;
    options: ThreadOptions;
    status: "running" | "destroyed" | "paused";
    samePriorityLength: number;
    private startTime;
    constructor(runner: Runner, taskUnit: unknown, options: ThreadOptions);
    start(): void;
    pause(): void;
    exec(): unknown;
    destroy(): void;
    get shouldYield(): boolean;
    get isEmpty(): boolean;
    get yieldInterval(): number;
}
export { Thread };