import { RequireExactlyOne } from 'type-fest';
export declare function createSymLink(
/**
 * Path that the symlink will link to. If relative, it will be linked relative to the symlink
 * location itself.
 */
linkPath: string, 
/** The location and name the symlink file itself. */
symlinkLocationPath: string, 
/**
 * This is required to keep windows happy. If you're creating a symlink to a directory, set this
 * to true.
 */
dir: boolean): Promise<void>;
/**
 * Writes to the given file path and always ensures that the path's parent directories are all
 * created.
 */
export declare function writeFileAndDir(path: string, contents: string | NodeJS.ArrayBufferView): Promise<void>;
/**
 * Gets all files within a directory and its subdirectories, recursively. Returns an array of paths
 * relative to the input directory path.
 */
export declare function readDirRecursive(dirPath: string): Promise<string[]>;
export declare function readFileIfExists(path: string): Promise<string | undefined>;
/**
 * Reads all files within a directory and then filters them by the given extension or extensions.
 * Returns that filtered list.
 */
export declare function readDirFilesByExtension({ dirPath, extension, extensions, }: {
    dirPath: string;
} & RequireExactlyOne<{
    extension: string;
    extensions: ReadonlyArray<string>;
}>): Promise<string[]>;