import { Tree } from "@nx/devkit";
/**
 * Reads a file from an NX Tree, applies an updater function, and writes it back if changed.
 *
 * @param tree - File system tree
 * @param path - Path to source file in the Tree
 * @param updater - Function that maps the current file content to new content
 */
export declare const updateFileInTree: (tree: Tree, path: string, updater: (fileContent: string) => string) => void;
/**
 * Deletes a file from an NX Tree. No-op if the file does not exist.
 *
 * @param tree - File system tree
 * @param path - Path to source file in the Tree
 */
export declare const deleteFileInTree: (tree: Tree, path: string) => void;