/**
 * Helper for transforming records.
 */
export declare const Record: {
    /**
     * Returns an array of the names of the properties of a record.
     * @param object - The record to get the property names from.
     */
    readonly keys: <K extends string>(this: void, object: Partial<Record<K, unknown>>) => K[];
    /**
     * Returns an array of the values of the properties of a record.
     * @param object - The record to get the property values from.
     */
    readonly values: <V>(this: void, object: Partial<Record<string, V>>) => V[];
    /**
     * Returns an array of the key-value pairs of the properties of a record.
     * @param object - The record to get the properties from.
     */
    readonly entries: <K extends string, V>(this: void, object: Partial<Record<K, V>>) => [K, V][];
    /**
     * Transforms a record by applying a callback function to each key-value pair in the record.
     * @param object - The record that should be transformed.
     * @param callbackfn - The callback function that transforms each key-value pair of the record.
     */
    readonly map: <K1 extends string, K2 extends string, V1, V2>(this: void, object: Record<K1, V1>, callbackfn: (entry: [K1, V1], index: number, entries: [K1, V1][]) => [K2, V2]) => Record<K2, V2>;
    /**
     * Transforms a record by applying a callback function to each key in the record.
     * @param object - The record that should be transformed.
     * @param callbackfn - The callback function that transforms each key of the record.
     */
    readonly mapKeys: <K1 extends string, K2 extends string, V>(this: void, object: Record<K1, V>, callbackfn: (key: K1, index: number, entries: [K1, V][]) => K2) => Record<K2, V>;
    /**
     * Transforms a record by applying a callback function to each property value in the record.
     * @param object - The record that should be transformed.
     * @param callbackfn - The callback function that transforms each property value of the record.
     */
    readonly mapProperties: <K extends string, V1, V2>(this: void, object: Record<K, V1>, callbackfn: (value: V1, index: number, entries: [K, V1][]) => V2) => Record<K, V2>;
};