/**
 * Atomic Write Utilities
 *
 * Provides atomic file write operations that ensure data integrity:
 * - Creates parent directories if needed
 * - Writes to a temp file first, then renames (atomic on most filesystems)
 * - Cleans up temp files on any error
 * - Uses PID and timestamp in temp filename to prevent collisions
 */
/**
 * Atomically write content to a file.
 *
 * This function ensures that writes are atomic:
 * 1. Creates parent directories if they don't exist
 * 2. Writes content to a temporary file
 * 3. Renames the temp file to the target (atomic on most filesystems)
 * 4. Cleans up the temp file on any error
 *
 * The temp file name includes timestamp and PID to prevent collisions
 * between concurrent writes and different processes.
 *
 * @param targetPath - Absolute path to the target file
 * @param content - Content to write to the file
 * @param encoding - Character encoding (default: 'utf-8')
 *
 * @example
 * ```typescript
 * await atomicWrite('/path/to/file.txt', 'Hello, World!');
 * ```
 */
export declare function atomicWrite(targetPath: string, content: string, encoding?: BufferEncoding): Promise<void>;
/**
 * Atomically write JSON content to a file.
 *
 * This is a convenience wrapper around atomicWrite that handles
 * JSON serialization with optional pretty-printing.
 *
 * @param targetPath - Absolute path to the target file
 * @param data - Data to serialize and write
 * @param pretty - Whether to pretty-print the JSON (default: true)
 *
 * @example
 * ```typescript
 * await atomicWriteJson('/path/to/data.json', { key: 'value' });
 * // Creates: { "key": "value" }
 *
 * await atomicWriteJson('/path/to/data.json', { key: 'value' }, false);
 * // Creates: {"key":"value"}
 * ```
 */
export declare function atomicWriteJson(targetPath: string, data: unknown, pretty?: boolean): Promise<void>;
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