export type WriterRole = "leader" | "follower";
interface LockManagerLike {
    request(name: string, options: {
        mode?: "exclusive" | "shared";
        signal?: AbortSignal;
    }, callback: () => Promise<unknown>): Promise<unknown>;
}
export interface WriterElectionOptions {
    readonly lockName: string;
    readonly locks?: LockManagerLike;
    readonly onMissingLocks?: WriterRole;
}
export declare class WriterElection {
    private _role;
    private readonly listeners;
    private readonly abort;
    private releaseLock?;
    private stopped;
    constructor(opts: WriterElectionOptions);
    get role(): WriterRole;
    onRoleChange(cb: (role: WriterRole) => void): () => void;
    private setRole;
    stop(): void;
}
export {};