type RedisConfig = {
    url?: string;
    points?: number;
    duration?: number;
    execEvenly?: boolean;
    blockDuration?: number;
    keyPrefix?: string;
};
export declare class ApolloServerRateLimiter {
    private static options;
    private static withRedis;
    private static redisClient;
    private static isReady;
    private static remainSettings;
    private static REDIS_URL;
    static term(): Promise<void>;
    static getSchema(): Promise<{
        rateLimitDirectiveTransformer: (schema: import("graphql").GraphQLSchema) => import("graphql").GraphQLSchema;
        rateLimitDirectiveTypeDefs: import("graphql").DocumentNode;
    }>;
    static init(options?: RedisConfig): void;
    private static finalize;
    static plugin(): {
        serverWillStart(): Promise<{
            serverWillStop(): Promise<void>;
        }>;
    };
}
export {};