import type { JsonObject } from '../../../../type';
/**
 * Merge the patch into the source object recursively
 *
 * @example
 * ```typescript
 * const source = { a: 1, b: 2 };
 * const patch = { a: 3, c: 4 };
 * const result = mergePatchRecursive(source, patch);
 * // Returns: { a: 3, b: 2, c: 4 }
 * ```
 *
 * @param source - The source object to be merged with the patch
 * @param patch - The patch object to be applied to the source
 * @returns The merged object
 * @internal
 */
export declare const mergePatchRecursive: (source: JsonObject | undefined, patch: JsonObject | undefined) => JsonObject;