export type ErrorsAnd<T> = T | string[];
export declare function mapArrayOfErrorsAnd<T, T1>(ts: ErrorsAnd<T>[], fn: (ts: T[]) => T1): ErrorsAnd<T1>;
export declare function reportErrors(e: string[]): string[];
export declare function hasErrors<T>(t: ErrorsAnd<T>): t is string[];
export declare function errors<T>(t: ErrorsAnd<T>): string[];
export declare function value<T>(t: ErrorsAnd<T>): T | undefined;
export declare function mapErrors<T, T1>(t: ErrorsAnd<T>, fn: (t: T) => ErrorsAnd<T1>): ErrorsAnd<T1>;
export declare function mapErrorsK<T, T1>(t: ErrorsAnd<T>, fn: (t: T) => Promise<ErrorsAnd<T1>>): Promise<ErrorsAnd<T1>>;
export declare function flattenErrors<T>(t: ErrorsAnd<ErrorsAnd<T>>): ErrorsAnd<T>;
export declare function flatMapErrors<T, T1>(t: ErrorsAnd<T>, fn: (t: T) => ErrorsAnd<T1>): ErrorsAnd<T1>;
export declare function flatMapErrorsK<T, T1>(t: ErrorsAnd<T>, fn: (t: T) => Promise<ErrorsAnd<T1>>): Promise<ErrorsAnd<T1>>;
export declare function foldErrors<Acc, T>(ts: T[], zero: Acc, fn: (acc: ErrorsAnd<Acc>, t: T) => ErrorsAnd<Acc>): ErrorsAnd<Acc>;
export declare function foldErrorsK<Acc, T>(ts: T[], zero: Acc, fn: (acc: ErrorsAnd<Acc>, t: T) => Promise<ErrorsAnd<Acc>>): Promise<ErrorsAnd<Acc>>;