export declare const ANNOTATE_CDS_RATE_LIMIT = "@cds.rate.limit";
export declare const FLAG_RATE_LIMIT_PERFORMED = "__rate_limit_performed";
export declare const GLOBAL_RATE_LIMITER_PREFIX = "global-rate-limiter";
export declare const GLOBAL_ANONYMOUS_RATE_LIMITER_PREFIX: string;
export declare const RATE_LIMIT_HEADERS: {
    readonly "Retry-After": "Retry-After";
    readonly "X-RateLimit-Limit": "X-RateLimit-Limit";
    readonly "X-RateLimit-Remaining": "X-RateLimit-Remaining";
    readonly "X-RateLimit-Reset": "X-RateLimit-Reset";
};