/**
 * Error message indicating missing data, used to detect missing storage items.
 * Added in https://github.com/envoy/envoy-integrations-sdk-nodejs/blob/v2.3.1/src/base/EnvoyAPI.ts#L79
 */
export declare const EMPTY_STORAGE_ERROR_MESSAGE = "The data you are looking for may not exist";
export declare function ensureError(value: unknown): Error;
/**
 * Check whether an error is due to an item not existing in Envoy.
 * Certain Envoy operations (notably storage ones) throw an error when an item does not exist, though
 * non-existence may be expected. Currently, the best way to identify this case is the error message.
 * @param error - The error to check.
 * @returns True if the error is likely due to a missing storage item, false otherwise.
 */
export declare function isEmptyStorageError(error: Error): boolean;
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