export interface RateLimiterLimits {
    limit?: number;
    windowMs?: number;
}
export interface BodyKeyedRateLimiterConfig extends RateLimiterLimits {
    source: 'body';
    field: string;
}
export interface UserKeyedRateLimiterConfig extends RateLimiterLimits {
    source: 'user';
}
export type KeyedRateLimiterConfig = BodyKeyedRateLimiterConfig | UserKeyedRateLimiterConfig;
export declare const createBodyKeyedRateLimiter: <T extends object>({ limit, windowMs, field, }: RateLimiterLimits & {
    field: keyof T & string;
}) => BodyKeyedRateLimiterConfig;
export declare const createUserKeyedRateLimiter: ({ limit, windowMs, }: RateLimiterLimits) => UserKeyedRateLimiterConfig;