import { MessageFunctionType, Result } from '../types';
export interface BlacklistErrors {
    TARGET_ARGUMENT_NOT_A_STRING: MessageFunctionType;
    CHARS_ARGUMENT_NOT_A_STRING: MessageFunctionType;
}
export declare const BLACKLIST_ERRORS: BlacklistErrors;
/**
 * Remove characters that appear
 * in the blacklist.
 *
 * Since the characters are used in a RegExp, some special
 * characters must be escaped.
 *
 * For example slashes `blacklist(input, '\\[\\]')`.
 *
 * @param target
 * @param chars
 */
export declare function blacklist(target: string, chars: string): Result<string | undefined>;