import { MessageFunctionType, Result } from '../types';
export interface IsBtcErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_BTC_ERRORS: IsBtcErrors;
/**
 * Checks whether the `target` is a btc address
 *
 * ### Example
 * ```
 * expect(isBtcAddress('1MUz4VMYui5qY1mxUiG8BQ1Luv6tqkvaiL').value).toBeTruthy()
 * ```
 * @param target The target
 */
export declare function isBtcAddress(target: string): Result<boolean | undefined>;