import { MessageFunctionType, Result } from '../types';
export interface IsDataURIErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const IS_DATA_URI_ERRORS: IsDataURIErrors;
/**
 * Tests whether the `target` string is a data URI
 *
 * ### Example
 * ```
 * expect(isDataURI('data:,A%20brief%20note').value).toBeTruthy()
 * ```
 *
 * @param target The target string
 * @param options The options
 * @return true if the `target` is a data URI, false otherwise
 */
export declare function isDataURI(target: string): Result<boolean | undefined>;