export declare class CooldownManager<T extends string> {
    private readonly cooldowns;
    private getKey;
    isOnCooldown(scope: string, type: T, now?: number): boolean;
    setCooldown(scope: string, type: T, durationMs: number, now?: number): void;
    clearCooldown(scope: string, type: T): void;
    clearAll(): void;
}