export declare const DEFAULT_RETRY_DELAY_BASE = 100;
export declare const MAXIMUM_RETRY_DELAY: number;
export declare const THROTTLING_RETRY_DELAY_BASE = 500;
export declare const INITIAL_RETRY_TOKENS = 500;
export declare const RETRY_COST = 5;
export declare const TIMEOUT_RETRY_COST = 10;
export declare const NO_RETRY_INCREMENT = 1;
export declare const INVOCATION_ID_HEADER = "amz-sdk-invocation-id";
export declare const REQUEST_HEADER = "amz-sdk-request";