import type { ConfigFormat, ConfigObject, ConfigValue } from "../types.js";
declare function detectIndent(content: string): string;
/**
 * Modify JSON content at a specific path while preserving comments and formatting.
 * Uses jsonc-parser's modify() for targeted updates.
 *
 * @param content - The original JSON content (may include comments)
 * @param path - JSON path array, e.g. ["mcpServers", "my-server"]
 * @param value - The value to set (or undefined to remove)
 * @returns The modified JSON content with comments preserved
 */
declare function modifyAtPath(content: string, path: (string | number)[], value: ConfigValue | undefined): string;
/**
 * Merge a patch into JSON content while preserving comments and formatting.
 * Uses jsonc.modify() for each top-level key to preserve existing comments.
 *
 * @param content - The original JSON content (may include comments)
 * @param patch - Object with values to merge
 * @returns The modified JSON content with comments preserved
 */
declare function mergePreservingComments(content: string, patch: ConfigObject): string;
/**
 * Remove a key from JSON content while preserving comments and formatting.
 *
 * @param content - The original JSON content
 * @param path - JSON path array to the key to remove
 * @returns The modified JSON content with comments preserved
 */
declare function removeAtPath(content: string, path: (string | number)[]): string;
declare function serializeUpdate(content: string, current: ConfigObject, next: ConfigObject): string;
export { detectIndent, modifyAtPath, mergePreservingComments, removeAtPath, serializeUpdate };
export declare const jsonFormat: ConfigFormat;