import { MessageFunctionType, Result } from '../types';
export interface IsSurrogatePairErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_SURROGATE_PAIR_ERRORS: IsSurrogatePairErrors;
/**
 * Test whether the string contains any surrogate pairs chars.
 *
 * ### Example
 * ```
 * expect(isSurrogatePair('ABC千𥧄1-2-3').value).toBeTruthy()
 * ```
 * @param target The target
 */
export declare function isSurrogatePair(target: string): Result<boolean | undefined>;