import { MultiError } from "./multi-error";
/**
 * Converts an array of errors into a single error, wrapping it with a
 * MultiError if necessary.
 * @param errors - Array of errors to convert.
 * @returns  null if `errors` is empty, the first element if `errors` has only
 *   one element, or a MultiError wrapping `errors` if `errors` has more than
 *   one element.
 */
export declare function fromArray(errors: Error[]): MultiError | Error | null;