type FlatObject = Record<string, string | boolean | number | null | undefined>;
/**
 * Compares two flat objects (whose values are only primitives, no arrays or objects)
 *
 * @returns Whether all values match, ignoring in which order they appear
 */
export declare const areObjectsFlatEqual: (obj1: FlatObject, obj2: FlatObject) => boolean;
export declare const groupByKey: <TValue extends { [key in TKey]?: string; }, TKey extends keyof TValue>(objects: TValue[], key: TKey) => Record<string, TValue[]>;
export declare const transformGroupedData: <TValue extends { [key in TKey]?: string; }, TKey extends keyof TValue>(data: Record<string, TValue[]>, firstGroup?: string) => {
    name: string;
    items: TValue[];
}[];
/**
 * Works like `Object.entries`, but considers all own keys of an object (including symbols).
 *
 * @example
 *   ```ts
 *   allObjectEntries({ [Symbol()]: "a", someKey: "b" }); // => [[Symbol(), "a"], ["someKey", "b"]]
 *   ```;
 */
export declare const allObjectEntries: <TValue extends Record<PropertyKey, unknown>>(target: TValue) => [keyof TValue, TValue[keyof TValue]][];
/**
 * Wraps a value as an array, if it's not already an array.
 *
 * @param value - The value to convert
 * @param keepNullish - If true, nullish values (undefined & null) will be preserved in the
 *   resulting array
 */
export declare const asArray: <T>(value: T | T[], keepNullish?: boolean) => T[];
export {};