import { RateLimiterRedis } from 'rate-limiter-flexible';
export declare class ApolloServerRateLimiterRedis extends RateLimiterRedis {
    private static redisClient;
    private static options;
    consume(key: any, pointsToConsume: any, options: any): Promise<import("rate-limiter-flexible").RateLimiterRes>;
    static term(): Promise<void>;
    static init(options: {
        RedisURL: string;
        points?: number;
        duration?: number;
        execEvenly?: boolean;
        blockDuration?: number;
        keyPrefix?: string;
    }): void;
    static ApolloServerPluginRateLimitRedis(): {
        serverWillStart(): Promise<{
            serverWillStop(): Promise<void>;
        }>;
    };
    static getSchema(): {
        rateLimitDirectiveTransformer: (schema: import("graphql").GraphQLSchema) => import("graphql").GraphQLSchema;
        rateLimitDirectiveTypeDefs: import("graphql").DocumentNode;
    };
}