/**
 * Creates a new object with the following properties:
 *
 * - All target properties that are also on source are merged and have new
 *   references
 * - All target properties that are not on source are preserved and have the same
 *   reference.
 *
 * @param target - Object that will be used as the base for the new object.
 * @param source - Object that will merge the target props with new values.
 *
 * @returns - A new object that contains both target and source properties merged (see description for
 * more info).
 */
export default function createMergedObject(target: Record<string, unknown> | null | undefined, source: Record<string, unknown>): Record<string, unknown>;