import * as errors from 'balena-errors';
import type * as Pine from '../../typings/pinejs-client-core';
import type { IfDefined } from '../../typings/utils';
import type { WebResourceFile } from 'balena-request';
export interface BalenaUtils {
    mergePineOptions: typeof mergePineOptions;
    BalenaWebResourceFile: typeof BalenaWebResourceFile;
}
export declare const notImplemented: () => never;
export declare const onlyIf: (condition: boolean) => <T extends (...args: any[]) => any>(fn: T) => (() => never) | T;
export declare const isId: (v?: unknown) => v is number;
export declare const isFullUuid: (v?: unknown) => v is string;
export declare const withSupervisorLockedError: <T>(fn: () => Promise<T>) => Promise<T>;
export declare const isUnauthorizedResponse: (err: Error) => err is errors.BalenaRequestError;
export declare const isNotFoundResponse: (err: Error) => err is errors.BalenaRequestError;
export declare function mergePineOptionsTyped<R extends object, P extends Pine.ODataOptionsStrict<R>>(defaults: P, extras: Pine.ODataOptions<R> | undefined): P;
export type ExtendedPineTypedResult<T, TBaseResult, ExtraPineOptions extends Pine.ODataOptions<T> | undefined> = TBaseResult & IfDefined<ExtraPineOptions, Pine.TypedResult<T, ExtraPineOptions>>;
export declare function mergePineOptions<R extends object, TDefault extends Pine.ODataOptions<R>>(defaults: TDefault, extras: Pine.ODataOptions<R> | undefined): TDefault;
export declare function mergePineOptions<R extends object>(defaults: Pine.ODataOptions<R>, extras: Pine.ODataOptions<R> | undefined): Pine.ODataOptions<R>;
/**
 * Useful when you want to avoid having to manually parse the key
 * or when need order guarantees while iterating the keys.
 * @private
 */
export declare const groupByMap: <K, V>(entries: V[], iteratee: (item: V) => K) => Map<K, V[]>;
export declare const delay: (ms: number) => Promise<void>;
export declare const limitedMap: <T, U>(arr: T[], fn: (currentValue: T, index: number, array: T[]) => Promise<U>, { concurrency, }?: {
    concurrency?: number;
}) => Promise<U[]>;
export declare class BalenaWebResourceFile extends Blob implements WebResourceFile {
    name: string;
    constructor(blobParts: BlobPart[], name: string, options?: BlobPropertyBag);
}