/**
 * Helper functions for reading and writing to text files.
 *
 * @module
 */
/**
 * Helper function to asynchronously append data to a file. If the file does not exist, it will be
 * automatically created.
 *
 * @throws If the file cannot be appended to.
 */
export declare function appendFile(filePath: string, data: string): Promise<void>;
/**
 * Helper function to delete a specific line in a text file.
 *
 * This assumes that the file is a text file and uses an encoding of "utf8".
 *
 * @throws If the line number does not exist in the text file or the file cannot be written to.
 */
export declare function deleteLineInFile(filePath: string, lineNumber: number): Promise<void>;
/**
 * Helper function to synchronously prepend data to a file.
 *
 * @throws If the file cannot be written to.
 */
export declare function prependFile(filePath: string, data: string): Promise<void>;
/**
 * Helper function to asynchronously read a file.
 *
 * This assumes that the file is a text file and uses an encoding of "utf8".
 *
 * @throws If the file cannot be read.
 */
export declare function readFile(filePath: string): Promise<string>;
/**
 * Helper function to replace a specific line in a text file.
 *
 * This assumes that the file is a text file and uses an encoding of "utf8".
 *
 * @throws If the line number does not exist in the text file or the file cannot be written to.
 */
export declare function replaceLineInFile(filePath: string, lineNumber: number, newLine: string): Promise<void>;
/**
 * Helper function to asynchronously replace text in a file.
 *
 * This assumes that the file is a text file and uses an encoding of "utf8".
 *
 * @throws If the file cannot be written to.
 */
export declare function replaceTextInFile(filePath: string, searchValue: string | RegExp, replaceValue: string): Promise<void>;
/**
 * Helper function to asynchronously write data to a file.
 *
 * @throws If the file cannot be written to.
 */
export declare function writeFile(filePath: string, data: string): Promise<void>;
//# sourceMappingURL=readWrite.d.ts.map