/**
 * Returns the numeric values of an enum.
 * @param enumType - The enum to get the numeric values from.
 * @returns The numeric values of the enum.
 */
export declare function numericEnumValues(enumType: Object): number[];
/**
 * The default header for the signature.
 */
export declare const DEFAULT_SIGNATURE_HEADER = "x-signature";
/**
 * The default header for the timestamp.
 */
export declare const DEFAULT_TIMESTAMP_HEADER = "x-timestamp";
/**
 * The default tolerance for the timestamp.
 */
export declare const DEFAULT_TIMESTAMP_TOLERANCE = 5000;
export declare const FIVE_SECONDS = 5;
export declare const ONE_HOUR: number;
export declare function weakEqual<T>(value1: T | null | undefined, value2: T | null | undefined): boolean;
export declare function hasAnyOf<T>(ob: T, keys: (keyof T)[]): boolean;