import BigNumber from 'bignumber.js';
/**
 * @internal
 * Check if string is guid format and throws exception if not.
 * @param value - string to be checked
 * @returns string
 */
export declare function validateGuid(value: string): string;
/**
 * @internal
 */
export declare function deserializeToBigNumber(value: any): BigNumber;
/**
 * @internal
 */
export declare function serializeFromBigNumber(value: BigNumber): string;
/**
 * @internal
 */
export declare function deserializeToNumber(value: string | number): number;
/**
 * @internal
 */
export declare function serializeFromNumber(value: number): number | string;